r4br1/2p2kp1/p2nbp2/n2NpB2/1p1PP1P1/1p1Q1P1N/P4K1P/2R4R w - - 0 20
FEN state: r4br1/2p2kp1/p2nbp2/n2NpB2/1p1PP1P1/1p1Q1P1N/P4K1P/2R4R w - - 0 20 ; Best move: f5e6
The current state of the chess board is: Black rook at a8, black bishop at f8 and black rook at g8. Black pawn at c7, black king at f7 and black pawn at g7. Black pawn at a6, black knight at d6, black bishop at e6 and black pawn at f6. Black knight at a5, white knight at d5, black pawn at e5 and white bishop at f5. Black pawn at b4, white pawn at d4, white pawn at e4 and white pawn at g4. Black pawn at b3, white queen at d3, white pawn at f3 and white knight at h3. White pawn at a2, white king at f2 and white pawn at h2. White rook at c1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.