r1bn1kn1/1p1p1p1r/6qp/p3bp2/P2PBpP1/5Q1P/1P2P3/R1B1K1NR w KQ - 1 21
FEN state: r1bn1kn1/1p1p1p1r/6qp/p3bp2/P2PBpP1/5Q1P/1P2P3/R1B1K1NR w KQ - 1 21 ; Best move: e4f5
The current state of the chess board is: Black rook at a8, black bishop at c8, black knight at d8, black king at f8 and black knight at g8. Black pawn at b7, black pawn at d7, black pawn at f7 and black rook at h7. Black queen at g6 and black pawn at h6. Black pawn at a5, black bishop at e5 and black pawn at f5. White pawn at a4, white pawn at d4, white bishop at e4, black pawn at f4 and white pawn at g4. White queen at f3 and white pawn at h3. White pawn at b2 and white pawn at e2. White rook at a1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 1. Full move number is 21. White to move.