r1bq1bnr/1p2p2R/n2p1pP1/p4k2/P1p5/R1P1P3/1P1P1PPN/1NBQ1K2 b - - 6 15
FEN state: r1bq1bnr/1p2p2R/n2p1pP1/p4k2/P1p5/R1P1P3/1P1P1PPN/1NBQ1K2 b - - 6 15 ; Best move: f5e6
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at e7 and white rook at h7. Black knight at a6, black pawn at d6, black pawn at f6 and white pawn at g6. Black pawn at a5 and black king at f5. White pawn at a4 and black pawn at c4. White rook at a3, white pawn at c3 and white pawn at e3. White pawn at b2, white pawn at d2, white pawn at f2, white pawn at g2 and white knight at h2. White knight at b1, white bishop at c1, white queen at d1 and white king at f1. Both players have exhausted their castles. Half move number is 6. Full move number is 15. Black to move.