1nb1qknr/1p4p1/r6p/p1pppP2/2P5/P4N1P/1P1PPPB1/RNBQKR2 b Q - 5 11
FEN state: 1nb1qknr/1p4p1/r6p/p1pppP2/2P5/P4N1P/1P1PPPB1/RNBQKR2 b Q - 5 11 ; Best move: e5e4
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at e8, black king at f8, black knight at g8 and black rook at h8. Black pawn at b7 and black pawn at g7. Black rook at a6 and black pawn at h6. Black pawn at a5, black pawn at c5, black pawn at d5, black pawn at e5 and white pawn at f5. White pawn at c4. White pawn at a3, white knight at f3 and white pawn at h3. White pawn at b2, white pawn at d2, white pawn at e2, white pawn at f2 and white bishop at g2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white king at e1 and white rook at f1. White queenside is the only castle move available. Half move number is 5. Full move number is 11. Black to move.