2bk1b1r/r3p3/n1pp1ppp/p1q4n/3PPP2/PPN1Q1P1/3B3P/R3KBNR w KQ - 3 21
FEN state: 2bk1b1r/r3p3/n1pp1ppp/p1q4n/3PPP2/PPN1Q1P1/3B3P/R3KBNR w KQ - 3 21 ; Best move: d4c5
The current state of the chess board is: Black bishop at c8, black king at d8, black bishop at f8 and black rook at h8. Black rook at a7 and black pawn at e7. Black knight at a6, black pawn at c6, black pawn at d6, black pawn at f6, black pawn at g6 and black pawn at h6. Black pawn at a5, black queen at c5 and black knight at h5. White pawn at d4, white pawn at e4 and white pawn at f4. White pawn at a3, white pawn at b3, white knight at c3, white queen at e3 and white pawn at g3. White bishop at d2 and white pawn at h2. White rook at a1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 3. Full move number is 21. White to move.