r1b2rk1/1q2pp1p/7b/1pppP3/p1QPn1P1/PPNB1pP1/2P2R2/R1B1K3 b Q - 1 23
FEN state: r1b2rk1/1q2pp1p/7b/1pppP3/p1QPn1P1/PPNB1pP1/2P2R2/R1B1K3 b Q - 1 23 ; Best move: b5c4
The current state of the chess board is: Black rook at a8, black bishop at c8, black rook at f8 and black king at g8. Black queen at b7, black pawn at e7, black pawn at f7 and black pawn at h7. Black bishop at h6. Black pawn at b5, black pawn at c5, black pawn at d5 and white pawn at e5. Black pawn at a4, white queen at c4, white pawn at d4, black knight at e4 and white pawn at g4. White pawn at a3, white pawn at b3, white knight at c3, white bishop at d3, black pawn at f3 and white pawn at g3. White pawn at c2 and white rook at f2. White rook at a1, white bishop at c1 and white king at e1. White queenside is the only castle move available. Half move number is 1. Full move number is 23. Black to move.