rn1q4/2pkbn2/p2p1pNr/1p2p1pp/1P2P2P/P1NK1PPb/QBPP4/R4B1R w - - 2 20
FEN state: rn1q4/2pkbn2/p2p1pNr/1p2p1pp/1P2P2P/P1NK1PPb/QBPP4/R4B1R w - - 2 20 ; Best move: f1h3
The current state of the chess board is: Black rook at a8, black knight at b8 and black queen at d8. Black pawn at c7, black king at d7, black bishop at e7 and black knight at f7. Black pawn at a6, black pawn at d6, black pawn at f6, white knight at g6 and black rook at h6. Black pawn at b5, black pawn at e5, black pawn at g5 and black pawn at h5. White pawn at b4, white pawn at e4 and white pawn at h4. White pawn at a3, white knight at c3, white king at d3, white pawn at f3, white pawn at g3 and black bishop at h3. White queen at a2, white bishop at b2, white pawn at c2 and white pawn at d2. White rook at a1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. White to move.