1rb1k1nr/2p3pp/pn4q1/1P1p4/QP1Ppb2/2P1P1p1/3K1PBP/RNB3NR b k - 4 23
FEN state: 1rb1k1nr/2p3pp/pn4q1/1P1p4/QP1Ppb2/2P1P1p1/3K1PBP/RNB3NR b k - 4 23 ; Best move: g3h2
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at c7, black pawn at g7 and black pawn at h7. Black pawn at a6, black knight at b6 and black queen at g6. White pawn at b5 and black pawn at d5. White queen at a4, white pawn at b4, white pawn at d4, black pawn at e4 and black bishop at f4. White pawn at c3, white pawn at e3 and black pawn at g3. White king at d2, white pawn at f2, white bishop at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 4. Full move number is 23. Black to move.