r2qkb1r/n1p1p1p1/ppP2p1p/3p1b2/1P1PPP2/N2B2PR/P2Q2P1/R3K1N1 b Qk - 4 15
FEN state: r2qkb1r/n1p1p1p1/ppP2p1p/3p1b2/1P1PPP2/N2B2PR/P2Q2P1/R3K1N1 b Qk - 4 15 ; Best move: d5e4
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black knight at a7, black pawn at c7, black pawn at e7 and black pawn at g7. Black pawn at a6, black pawn at b6, white pawn at c6, black pawn at f6 and black pawn at h6. Black pawn at d5 and black bishop at f5. White pawn at b4, white pawn at d4, white pawn at e4 and white pawn at f4. White knight at a3, white bishop at d3, white pawn at g3 and white rook at h3. White pawn at a2, white queen at d2 and white pawn at g2. White rook at a1, white king at e1 and white knight at g1. White queenside and black kingside castles are available. Half move number is 4. Full move number is 15. Black to move.