rnbqk1n1/pp1p2b1/5pp1/1Pp3N1/P3pPpr/N1BP4/R1PKP3/3Q1B1R w q - 0 15
FEN state: rnbqk1n1/pp1p2b1/5pp1/1Pp3N1/P3pPpr/N1BP4/R1PKP3/3Q1B1R w q - 0 15 ; Best move: g5e6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black king at e8 and black knight at g8. Black pawn at a7, black pawn at b7, black pawn at d7 and black bishop at g7. Black pawn at f6 and black pawn at g6. White pawn at b5, black pawn at c5 and white knight at g5. White pawn at a4, black pawn at e4, white pawn at f4, black pawn at g4 and black rook at h4. White knight at a3, white bishop at c3 and white pawn at d3. White rook at a2, white pawn at c2, white king at d2 and white pawn at e2. White queen at d1, white bishop at f1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 15. White to move.