r1bq2n1/2pp1ppr/np1b1k2/3p2p1/p1P5/N2K4/PP1BPPPP/1R2QB1R b - - 5 13
FEN state: r1bq2n1/2pp1ppr/np1b1k2/3p2p1/p1P5/N2K4/PP1BPPPP/1R2QB1R b - - 5 13 ; Best move: f6e7
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black knight at g8. Black pawn at c7, black pawn at d7, black pawn at f7, black pawn at g7 and black rook at h7. Black knight at a6, black pawn at b6, black bishop at d6 and black king at f6. Black pawn at d5 and black pawn at g5. Black pawn at a4 and white pawn at c4. White knight at a3 and white king at d3. White pawn at a2, white pawn at b2, white bishop at d2, white pawn at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at b1, white queen at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 5. Full move number is 13. Black to move.