r1bk1br1/p1p2pp1/2n1p2n/1p5p/P1PqpP1P/1P3BK1/3P2P1/RNBQ2NR b - - 2 13
FEN state: r1bk1br1/p1p2pp1/2n1p2n/1p5p/P1PqpP1P/1P3BK1/3P2P1/RNBQ2NR b - - 2 13 ; Best move: e4f3
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at c7, black pawn at f7 and black pawn at g7. Black knight at c6, black pawn at e6 and black knight at h6. Black pawn at b5 and black pawn at h5. White pawn at a4, white pawn at c4, black queen at d4, black pawn at e4, white pawn at f4 and white pawn at h4. White pawn at b3, white bishop at f3 and white king at g3. White pawn at d2 and white pawn at g2. White rook at a1, white knight at b1, 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 2. Full move number is 13. Black to move.