rnb1qrk1/1p5p/p1pppp1n/1B4p1/N2b4/1PB1P2P/P1PQ1PP1/R2K2NR b - - 1 13
FEN state: rnb1qrk1/1p5p/p1pppp1n/1B4p1/N2b4/1PB1P2P/P1PQ1PP1/R2K2NR b - - 1 13 ; Best move: d4c3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at e8, black rook at f8 and black king at g8. Black pawn at b7 and black pawn at h7. Black pawn at a6, black pawn at c6, black pawn at d6, black pawn at e6, black pawn at f6 and black knight at h6. White bishop at b5 and black pawn at g5. White knight at a4 and black bishop at d4. White pawn at b3, white bishop at c3, white pawn at e3 and white pawn at h3. White pawn at a2, white pawn at c2, white queen at d2, white pawn at f2 and white pawn at g2. White rook at a1, white king at d1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 13. Black to move.