1rb1kb1r/pp1pnp1p/n1p1p3/1q4p1/1P1PP3/5Q2/PBPK1PPP/1R3BNR b k - 1 11
FEN state: 1rb1kb1r/pp1pnp1p/n1p1p3/1q4p1/1P1PP3/5Q2/PBPK1PPP/1R3BNR b k - 1 11 ; Best move: b5b4
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at d7, black knight at e7, black pawn at f7 and black pawn at h7. Black knight at a6, black pawn at c6 and black pawn at e6. Black queen at b5 and black pawn at g5. White pawn at b4, white pawn at d4 and white pawn at e4. White queen at f3. White pawn at a2, white bishop at b2, white pawn at c2, white king at d2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at b1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 1. Full move number is 11. Black to move.