1nbq1k1r/r1ppp1bp/pp3p1n/8/2P4p/1P1P1R2/PBQ1PPP1/RN1K1BN1 w - - 1 10
FEN state: 1nbq1k1r/r1ppp1bp/pp3p1n/8/2P4p/1P1P1R2/PBQ1PPP1/RN1K1BN1 w - - 1 10 ; Best move: f3f4
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8, black king at f8 and black rook at h8. Black rook at a7, black pawn at c7, black pawn at d7, black pawn at e7, black bishop at g7 and black pawn at h7. Black pawn at a6, black pawn at b6, black pawn at f6 and black knight at h6. White pawn at c4 and black pawn at h4. White pawn at b3, white pawn at d3 and white rook at f3. White pawn at a2, white bishop at b2, white queen at c2, white pawn at e2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white king at d1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 1. Full move number is 10. White to move.