1nb1kN1r/rp6/1bp2q1n/pN1pppp1/1P1P4/5PP1/P1P1P1BP/R1BQ1RK1 w k - 2 13
FEN state: 1nb1kN1r/rp6/1bp2q1n/pN1pppp1/1P1P4/5PP1/P1P1P1BP/R1BQ1RK1 w k - 2 13 ; Best move: b5a7
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8, white knight at f8 and black rook at h8. Black rook at a7 and black pawn at b7. Black bishop at b6, black pawn at c6, black queen at f6 and black knight at h6. Black pawn at a5, white knight at b5, black pawn at d5, black pawn at e5, black pawn at f5 and black pawn at g5. White pawn at b4 and white pawn at d4. White pawn at f3 and white pawn at g3. White pawn at a2, white pawn at c2, white pawn at e2, white bishop at g2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white rook at f1 and white king at g1. Black kingside is the only castle move available. Half move number is 2. Full move number is 13. White to move.