r1b1kb1r/4q3/1pn2ppp/p1npp2P/1pP5/NQ1PPK2/P2B1PPR/R4BN1 b kq - 1 15
FEN state: r1b1kb1r/4q3/1pn2ppp/p1npp2P/1pP5/NQ1PPK2/P2B1PPR/R4BN1 b kq - 1 15 ; Best move: e5e4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black queen at e7. Black pawn at b6, black knight at c6, black pawn at f6, black pawn at g6 and black pawn at h6. Black pawn at a5, black knight at c5, black pawn at d5, black pawn at e5 and white pawn at h5. Black pawn at b4 and white pawn at c4. White knight at a3, white queen at b3, white pawn at d3, white pawn at e3 and white king at f3. White pawn at a2, white bishop at d2, white pawn at f2, white pawn at g2 and white rook at h2. White rook at a1, white bishop at f1 and white knight at g1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 15. Black to move.