rnb1k1nr/2qpb1p1/p1p4p/1p2pp2/P1P2N1P/1P1PP3/4QPP1/RNB1KB1R b KQkq - 2 10
FEN state: rnb1k1nr/2qpb1p1/p1p4p/1p2pp2/P1P2N1P/1P1PP3/4QPP1/RNB1KB1R b KQkq - 2 10 ; Best move: e5f4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black queen at c7, black pawn at d7, black bishop at e7 and black pawn at g7. Black pawn at a6, black pawn at c6 and black pawn at h6. Black pawn at b5, black pawn at e5 and black pawn at f5. White pawn at a4, white pawn at c4, white knight at f4 and white pawn at h4. White pawn at b3, white pawn at d3 and white pawn at e3. White queen at e2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 2. Full move number is 10. Black to move.