1nbq1b1r/r1pp1ppp/1p2p3/p1k5/2P1n1P1/1Q2PP2/PP1PK2P/RNB2BNR b - - 2 10
FEN state: 1nbq1b1r/r1pp1ppp/1p2p3/p1k5/2P1n1P1/1Q2PP2/PP1PK2P/RNB2BNR b - - 2 10 ; Best move: e4f6
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8, black bishop at f8 and black rook at h8. Black rook at a7, black pawn at c7, black pawn at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at b6 and black pawn at e6. Black pawn at a5 and black king at c5. White pawn at c4, black knight at e4 and white pawn at g4. White queen at b3, white pawn at e3 and white pawn at f3. White pawn at a2, white pawn at b2, white pawn at d2, white king at e2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 10. Black to move.