The #2 Class About Centurini

                      .Centurini Position.  

Hey All Professor Saitama Here, I want to show you guys a interesting position (mentioned in title) and for which i found a game quite interesting when playing 'Lichess':

This will help you understand centurini position.

So, Let me tell you what exactly this 'Centurini Position' means Actually The Centurini Position is an end game tactic where both sides have a King and a bishop on the same color square and one side has a pawn that they are trying to promote. A bishop by itself can't checkmate the opponent's King so the only hope for one side to win is if the pawn is promoted. Basicially, no side is able to checkmate the other side but either player1 or player2 (whichever side has a pawn) need to promote the pawn as to win the game. In the 'gif' shown above match between two AI occur in which the white side (lichess level 8) checkmates black side (vishy_anand123) when after the move "queen b7":

It was At this moment when the match from black's side was dead

Now Black plays a1 to save his bishop rater than playing his king to other position like.....(find yourself out like a7 etc..)

Defense of centurini postion:

Actually, Anyone can tell that if the side which has extra pawn piece is captured before promotion then the game would end in a draw. There will be 0% chances of any side winning if both side played well till end.

Look at this position

This position is also centurini position a 'normal' one until and unless white plays h4 with his dark-squared bishop now we will be looking at a modified version of centurini position:

The point of playing bishop to h4 is to win the match by recirculating it through the board and taking it to b8

Now how black will try to counter this win position for white and delay checkmating for some time or try to take the pawn for draw as i mentioned earlier either you lose if your side doesn't have the pawn or either if you draw so here blacks plays the move "King to B5"

Very smart move. Black knows  Black knows that White wants to re-route to b8 via Bf2-Ba7 so he steps his king over to a6 to guard.

Now, White counter-plays and his reroute position 'Bishop to f2 square' and then black predicted that white will play his bishop to a7 in it's next move so black plays 'King to a6 square'

Now, The black side comes into a smart play by playing his 'Bishop to c5' as this is the only move that can make progress here, why? have a look:

What a Brilliant move!

Think of why bishop doesn't play e3 move: because This is incorrect because it allows 3... Bd6. Bd6 4.Bg5 Kb5 5.Bd8 Kc6 6.Be7

Scene would be like this now

But anyhow let's get back to the actual game Black plays his "bishop to f4" white plays "bishop to e7"

Now The bishop intend to kickoff the diagonal

Black counter plays a brilliant move "king to b5" Black once again sees White's idea, and runs his king over to c6 to guard against Bc7.

Now after couple of moves like 5. "white's bishop to d8, black's king to c6" 6. white's bishop to g5 square

lichess says the perfect thing that "This move gains a valuable tempo and now the importance of 3. Bc5 (controlling d6) becomes clear. If Black were able to play 3... Bd6 then 4. Be7 would be ineffective as the bishop cannot play Bc5 the following move. The same would apply if the bishop had moved to g3 or e5 on the third move"

black's h2 then Be3...Now the king will not make it back in time to stop Bishop to a7

Now, Guys evaluate next few moves going to happen and then Boom finally this drastic unrespected condition for players

Game Ends!

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                                                                           THANKS

                                                       --Chess Grand Master Professor SaiTama