2rqkbnr/p1pb1p1p/2Bp4/4p1p1/2P1n1P1/8/PP1PPP1P/RNBK2NR w k - 1 10
FEN state: 2rqkbnr/p1pb1p1p/2Bp4/4p1p1/2P1n1P1/8/PP1PPP1P/RNBK2NR w k - 1 10 ; Best move: c6e4
The current state of the chess board is: Black rook at c8, black queen at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7, black bishop at d7, black pawn at f7 and black pawn at h7. White bishop at c6 and black pawn at d6. Black pawn at e5 and black pawn at g5. White pawn at c4, black knight at e4 and white pawn at g4. White pawn at a2, white pawn at b2, white pawn at d2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at d1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 1. Full move number is 10. White to move.