rn1q3r/1b2p1bp/ppp1k3/2Pp1p2/5Pp1/NP4nP/PB1PP1K1/1R3BNR w - - 0 21
FEN state: rn1q3r/1b2p1bp/ppp1k3/2Pp1p2/5Pp1/NP4nP/PB1PP1K1/1R3BNR w - - 0 21 ; Best move: b2g7
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8 and black rook at h8. Black bishop at b7, black pawn at e7, black bishop at g7 and black pawn at h7. Black pawn at a6, black pawn at b6, black pawn at c6 and black king at e6. White pawn at c5, black pawn at d5 and black pawn at f5. White pawn at f4 and black pawn at g4. White knight at a3, white pawn at b3, black knight at g3 and white pawn at h3. White pawn at a2, white bishop at b2, white pawn at d2, white pawn at e2 and white king at g2. White rook at b1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. White to move.