1rnqkb1r/pbppp1p1/n7/1p3p1p/1P1PPPP1/N3Q2P/P1P2K2/1RB2BNR w k - 2 15
FEN state: 1rnqkb1r/pbppp1p1/n7/1p3p1p/1P1PPPP1/N3Q2P/P1P2K2/1RB2BNR w k - 2 15 ; Best move: g4f5
The current state of the chess board is: Black rook at b8, black knight at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at c7, black pawn at d7, black pawn at e7 and black pawn at g7. Black knight at a6. Black pawn at b5, black pawn at f5 and black pawn at h5. White pawn at b4, white pawn at d4, white pawn at e4, white pawn at f4 and white pawn at g4. White knight at a3, white queen at e3 and white pawn at h3. White pawn at a2, white pawn at c2 and white king at f2. White rook at b1, white bishop at c1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 2. Full move number is 15. White to move.