1n2k1nr/1p5p/r1p1pp1P/p1q3p1/3PPb2/5PP1/PBP5/RN1K1BR1 w k - 0 23
FEN state: 1n2k1nr/1p5p/r1p1pp1P/p1q3p1/3PPb2/5PP1/PBP5/RN1K1BR1 w k - 0 23 ; Best move: d4c5
The current state of the chess board is: Black knight at b8, black king at e8, black knight at g8 and black rook at h8. Black pawn at b7 and black pawn at h7. Black rook at a6, black pawn at c6, black pawn at e6, black pawn at f6 and white pawn at h6. Black pawn at a5, black queen at c5 and black pawn at g5. White pawn at d4, white pawn at e4 and black bishop at f4. White pawn at f3 and white pawn at g3. White pawn at a2, white bishop at b2 and white pawn at c2. White rook at a1, white knight at b1, white king at d1, white bishop at f1 and white rook at g1. Black kingside is the only castle move available. Half move number is 0. Full move number is 23. White to move.