rnb3nr/2bQ2pp/p1p3k1/1p3q2/1P4P1/P3P2B/2P1P2P/RNB1K1R1 w - - 1 21
FEN state: rnb3nr/2bQ2pp/p1p3k1/1p3q2/1P4P1/P3P2B/2P1P2P/RNB1K1R1 w - - 1 21 ; Best move: g4f5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black knight at g8 and black rook at h8. Black bishop at c7, white queen at d7, black pawn at g7 and black pawn at h7. Black pawn at a6, black pawn at c6 and black king at g6. Black pawn at b5 and black queen at f5. White pawn at b4 and white pawn at g4. White pawn at a3, white pawn at e3 and white bishop at h3. White pawn at c2, white pawn at e2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at e1 and white rook at g1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. White to move.