This review was a request from a fan of my Facebook page. Always happy to do things for my loyal readers. 😀
This WILL, however, be a very subjective review, based on my own experience with Chess Tiger…
I first became a fan of the Chess Tiger chess engine back in 2001 when I got a hold of Chess Tiger version 14.0 and before long (think: 2 minutes 😉 ) launched an engine tournament in my Fritz 7 GUI.
In those days the leaders of the computer chess world had been Fritz 7, Junior 7, Hiarcs 8 Bareev, Shredder 7.04 plus perhaps a couple of others like Rebel, and all of these different chess engines had had distinct and fascinating human-like playing styles.
I was just 17 at the time with a playing strength of about 1800 ELO, had spent several hours each day studying the games of these chess engines (over the board, not on the computer screen!) as well as studying my own games with their assistance.
At the time I played a HELL of a lot of standard games (usually with around 40 mins each) on FICS and followed them with immediate chess engine analysis.
From memory, the playing styles of the above mentioned engines were as follows.
Fritz 7 – Raw Tactical Power! (I remember when I first bought this and loaded it up. My friend Ron and I played a blitz game against it and were amazed it its intelligent tactical play. Felt like we were playing blitz with a real Grandmaster!)
Junior 7 – Tactical Power with Speculative Sacrifices (as well as sometimes crazy launches of the h-pawn for human-like kingside attacks)
Hiarcs 8 Bareev – This is the version of Hiarcs which defeated GM Bareev in a match and which played in a very nice positional style
Shredder 7.04 – This version of Shredder was strong as hell. It won several of my engine tournaments at the time, playing with a super-solid, strategic mastery reminiscent of former World Champion Tigran Petrosian. At the time I wasn’t a fan of its style, but now as a much stronger player, I can respect its playing style a lot more.
I remember when I got hold of Chess Tiger 14 (from top French programmer Christophe Théron) as well as its companion engine Gambit Tiger 2.0.
This was a game-changer at the time (in my eyes at least).
With Chess Tiger 14 you’d get a Karpov-like strategic player which was awesome in itself, but you also had access to Gambit Tiger 2.0 (its companion engine) with was like the Kasparov of engines at the time.
I remember in 2001 Chess Tiger 14 won a strong tournament in Argentina ahead of several grandmasters, and at the time this was a huge breakthrough.
A software program could compete with and defeat grandmasters at long time-controls?
Especially the 2788 performance rating which Chess Tiger achieved in the event.
Here’s a standout game with CT defeating GM Panno. The final move is cute.
In my early twenties I took a few years off chess to focus on more important things (like being “cool”, girls, music, earning money etc) and when I came back there was a new sheriff in engine town.
This engine also happened to be the last windows based chess engine from Chris… 😥
Before even seeing it play, I was already pretty happy with one element of Chess Tiger 2007…
Instead of having seperate engines for the “Normal” version and the “Gambit Tiger” version, Chris had merged them into a single engine, with all options changeable in the engine’s options.
So here we have 4 Basic Style Options.
Then we have the “Anti-human” option and “DrawScore” (sometimes called “contempt”)
With these options, just a few adjustments can simulate almost any type of opponent.
This opponent is somebody we have all played in a tournament before. So why not train against this type of play?
If I were to simulate this opponent, I’d simply choose the “Normal” style with a “DrawScore” of +2.
This will make Chess Tiger play in its normal strategic style, but be more than happy to take a draw even if slightly better.
Play against this guy in an ultra-positional opening and its like the real thing.
I KNOW we’ve all played this kid.
This is the kid who rocks up to the tournament and (like many kids) lacks the manners or tact of adults, but LOVES chess.
He lacks deep positional skills but attacks relentlessly and calculates tactics very well.
If I were to simulate this opponent, I’d choose the “Gambit Suicidal” option, tick the “Anti-Human” option and make the “DrawScore” -2.
Play against this guy in a sharp line you want to learn to play better and it’ll certainly simulate the real thing quite closely.
He will play sharp, tactical chess and even if you reach a position with reduced material and think its a draw, he’ll say “No thanks!” and play on arrogantly until its K vs K.
He’ll try every trick in the book to make you slip up, so be careful!
Good luck! haha 😀
I’m sure using the the variables in the options settings, you can have a lot of fun and improve your own chess in the process.
Lets look at a couple of games from the engine.
In this game you’ll see Chess Tiger using the Gambit Aggressive setting and truly living up to its name.
Straight from the opening CT sacrifices a pawn and keeps his opponent’s king in the centre.
Then…At the right moment, sacrifices an exchange for a vicious king-hunt.
In this game you’ll see Chess Tiger (This time my favourite, the “Gambit Suicidal” setting) up against John Stanback‘s legendary Zarkov engine.
CT plays an interesting human-like idea against the Sicilian (11.Nxc6 and 12.b3!? followed by queenside fianchetto) and by the time 20.f5 was played, it was clear (at least to a human player) that black is skating on very thin ice.
Now black was really in trouble.
Chess Tiger again adds icing to the cake with a lovely exchange sacrifice (27.Rf6!!) and black quickly collapses. A really nice game.
Chess Tiger remains a legendary chess engine for training games and has a human-like attacking style, and good strategic understanding.
Although it cannot cold a candle to modern engines like Stockfish in terms of strength, this is not our interest when using Chess Tiger.
Here we have a historic computer chess legend with a great style which makes it perfect for the training games of players above 2000 ELO.
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