r1b4r/1q1n1N2/p4n2/2b1pk1p/1p5Q/2PP1P2/PP1K2P1/R1B2BR1 b - - 0 23
FEN state: r1b4r/1q1n1N2/p4n2/2b1pk1p/1p5Q/2PP1P2/PP1K2P1/R1B2BR1 b - - 0 23 ; Best move: f5e6
The current state of the chess board is: Black rook at a8, black bishop at c8 and black rook at h8. Black queen at b7, black knight at d7 and white knight at f7. Black pawn at a6 and black knight at f6. Black bishop at c5, black pawn at e5, black king at f5 and black pawn at h5. Black pawn at b4 and white queen at h4. White pawn at c3, white pawn at d3 and white pawn at f3. White pawn at a2, white pawn at b2, white king at d2 and white pawn at g2. White rook at a1, white bishop at c1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. Black to move.