r1bq1k1r/3pp2p/3Nnn1b/p1p2pp1/1P3NP1/3P4/P1PKPPBP/R1BQ3R b - - 3 13
FEN state: r1bq1k1r/3pp2p/3Nnn1b/p1p2pp1/1P3NP1/3P4/P1PKPPBP/R1BQ3R b - - 3 13 ; Best move: g5f4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at f8 and black rook at h8. Black pawn at d7, black pawn at e7 and black pawn at h7. White knight at d6, black knight at e6, black knight at f6 and black bishop at h6. Black pawn at a5, black pawn at c5, black pawn at f5 and black pawn at g5. White pawn at b4, white knight at f4 and white pawn at g4. White pawn at d3. White pawn at a2, white pawn at c2, white king at d2, white pawn at e2, white pawn at f2, white bishop at g2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1 and white rook at h1. Both players have exhausted their castles. Half move number is 3. Full move number is 13. Black to move.