rn1q1bnr/pp2pk1p/3p1pp1/3b4/PPp5/N6P/R1PPPPP1/1NBQKB1R w K - 4 11
FEN state: rn1q1bnr/pp2pk1p/3p1pp1/3b4/PPp5/N6P/R1PPPPP1/1NBQKB1R w K - 4 11 ; Best move: b1c3
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at e7, black king at f7 and black pawn at h7. Black pawn at d6, black pawn at f6 and black pawn at g6. Black bishop at d5. White pawn at a4, white pawn at b4 and black pawn at c4. White knight at a3 and white pawn at h3. White rook at a2, white pawn at c2, white pawn at d2, white pawn at e2, white pawn at f2 and white pawn at g2. White knight at b1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 4. Full move number is 11. White to move.