r1b3nr/2kn2bp/Bp1q4/3pp1P1/1P1PPpP1/P1N3QP/7R/R1BK2N1 w - - 0 23
FEN state: r1b3nr/2kn2bp/Bp1q4/3pp1P1/1P1PPpP1/P1N3QP/7R/R1BK2N1 w - - 0 23 ; Best move: c3b5
The current state of the chess board is: Black rook at a8, black bishop at c8, black knight at g8 and black rook at h8. Black king at c7, black knight at d7, black bishop at g7 and black pawn at h7. White bishop at a6, black pawn at b6 and black queen at d6. Black pawn at d5, black pawn at e5 and white pawn at g5. White pawn at b4, white pawn at d4, white pawn at e4, black pawn at f4 and white pawn at g4. White pawn at a3, white knight at c3, white queen at g3 and white pawn at h3. White rook at h2. White rook at a1, white bishop at c1, white king at d1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. White to move.