r1b4r/1pp1n1b1/2k2p1p/3qp1B1/1p1Pp1P1/P4P2/2P3BP/RN1NKR2 w Q - 1 18
FEN state: r1b4r/1pp1n1b1/2k2p1p/3qp1B1/1p1Pp1P1/P4P2/2P3BP/RN1NKR2 w Q - 1 18 ; Best move: g5e3
The current state of the chess board is: Black rook at a8, black bishop at c8 and black rook at h8. Black pawn at b7, black pawn at c7, black knight at e7 and black bishop at g7. Black king at c6, black pawn at f6 and black pawn at h6. Black queen at d5, black pawn at e5 and white bishop at g5. Black pawn at b4, white pawn at d4, black pawn at e4 and white pawn at g4. White pawn at a3 and white pawn at f3. White pawn at c2, white bishop at g2 and white pawn at h2. White rook at a1, white knight at b1, white knight at d1, white king at e1 and white rook at f1. White queenside is the only castle move available. Half move number is 1. Full move number is 18. White to move.