1rb4r/p1ppn1pp/np4k1/4ppq1/2P1P1P1/1P3B1P/P1NP1bK1/R1BQ2NR b - - 3 13
FEN state: 1rb4r/p1ppn1pp/np4k1/4ppq1/2P1P1P1/1P3B1P/P1NP1bK1/R1BQ2NR b - - 3 13 ; Best move: g5h4
The current state of the chess board is: Black rook at b8, black bishop at c8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at d7, black knight at e7, black pawn at g7 and black pawn at h7. Black knight at a6, black pawn at b6 and black king at g6. Black pawn at e5, black pawn at f5 and black queen at g5. White pawn at c4, white pawn at e4 and white pawn at g4. White pawn at b3, white bishop at f3 and white pawn at h3. White pawn at a2, white knight at c2, white pawn at d2, black bishop at f2 and white king at g2. White rook at a1, white bishop at c1, white queen at d1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 3. Full move number is 13. Black to move.