rnb1k1n1/1p5r/2p1p1pp/p2q1P2/8/b1P4N/2KPBPPP/RNB4R b q - 1 13
FEN state: rnb1k1n1/1p5r/2p1p1pp/p2q1P2/8/b1P4N/2KPBPPP/RNB4R b q - 1 13 ; Best move: d5e4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black knight at g8. Black pawn at b7 and black rook at h7. Black pawn at c6, black pawn at e6, black pawn at g6 and black pawn at h6. Black pawn at a5, black queen at d5 and white pawn at f5. Black bishop at a3, white pawn at c3 and white knight at h3. White king at c2, white pawn at d2, white bishop at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1 and white rook at h1. Black queenside is the only castle move available. Half move number is 1. Full move number is 13. Black to move.