rn2kbnr/pbqpp3/5p1p/2p5/P1B1P2p/1QP4R/1P1P1PP1/RNB1K1N1 b Qkq - 5 10
FEN state: rn2kbnr/pbqpp3/5p1p/2p5/P1B1P2p/1QP4R/1P1P1PP1/RNB1K1N1 b Qkq - 5 10 ; Best move: b7e4
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black bishop at b7, black queen at c7, black pawn at d7 and black pawn at e7. Black pawn at f6 and black pawn at h6. Black pawn at c5. White pawn at a4, white bishop at c4, white pawn at e4 and black pawn at h4. White queen at b3, white pawn at c3 and white rook at h3. White pawn at b2, white pawn at d2, 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 and white knight at g1. White queenside, black kingside and black queenside castles are available. Half move number is 5. Full move number is 10. Black to move.