r1k4r/pb1p1pp1/1pp1p2B/2bn2Q1/1Pn4P/P4P2/4K1P1/RN3BNR w - - 3 20
FEN state: r1k4r/pb1p1pp1/1pp1p2B/2bn2Q1/1Pn4P/P4P2/4K1P1/RN3BNR w - - 3 20 ; Best move: g5g7
The current state of the chess board is: Black rook at a8, black king at c8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at d7, black pawn at f7 and black pawn at g7. Black pawn at b6, black pawn at c6, black pawn at e6 and white bishop at h6. Black bishop at c5, black knight at d5 and white queen at g5. White pawn at b4, black knight at c4 and white pawn at h4. White pawn at a3 and white pawn at f3. White king at e2 and white pawn at g2. White rook at a1, white knight 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 3. Full move number is 20. White to move.