r1bk1bn1/pp1p1ppr/n1p4p/4p3/1QPP4/4PP1N/PP1N1qPP/R1BK1B1R w - - 7 10
FEN state: r1bk1bn1/pp1p1ppr/n1p4p/4p3/1QPP4/4PP1N/PP1N1qPP/R1BK1B1R w - - 7 10 ; Best move: b4f8
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at b7, black pawn at d7, black pawn at f7, black pawn at g7 and black rook at h7. Black knight at a6, black pawn at c6 and black pawn at h6. Black pawn at e5. White queen at b4, white pawn at c4 and white pawn at d4. White pawn at e3, white pawn at f3 and white knight at h3. White pawn at a2, white pawn at b2, white knight at d2, black queen at f2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white king at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 7. Full move number is 10. White to move.