rn3b1r/pp2Nk1p/3pb2n/2p5/P2P1Pp1/R1N4q/1BPKP3/Q7 w - - 0 23
FEN state: rn3b1r/pp2Nk1p/3pb2n/2p5/P2P1Pp1/R1N4q/1BPKP3/Q7 w - - 0 23 ; Best move: d4d5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, white knight at e7, black king at f7 and black pawn at h7. Black pawn at d6, black bishop at e6 and black knight at h6. Black pawn at c5. White pawn at a4, white pawn at d4, white pawn at f4 and black pawn at g4. White rook at a3, white knight at c3 and black queen at h3. White bishop at b2, white pawn at c2, white king at d2 and white pawn at e2. White queen at a1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. White to move.