rn2kb1r/1b1pqppp/1p6/p1p1pn2/1P2P3/B3QPP1/P1PP4/RN2KBNR b KQkq - 5 10
FEN state: rn2kb1r/1b1pqppp/1p6/p1p1pn2/1P2P3/B3QPP1/P1PP4/RN2KBNR b KQkq - 5 10 ; Best move: f5e3
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8 and black rook at h8. Black bishop at b7, black pawn at d7, black queen at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at b6. Black pawn at a5, black pawn at c5, black pawn at e5 and black knight at f5. White pawn at b4 and white pawn at e4. White bishop at a3, white queen at e3, white pawn at f3 and white pawn at g3. White pawn at a2, white pawn at c2 and white pawn at d2. White rook at a1, white knight at b1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 5. Full move number is 10. Black to move.