r1b2k1r/1pPp1p1p/n6b/p3p1p1/PP2n2P/R4P2/1B1PK1P1/1N2QBNR b - - 2 15
FEN state: r1b2k1r/1pPp1p1p/n6b/p3p1p1/PP2n2P/R4P2/1B1PK1P1/1N2QBNR b - - 2 15 ; Best move: a5b4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at f8 and black rook at h8. Black pawn at b7, white pawn at c7, black pawn at d7, black pawn at f7 and black pawn at h7. Black knight at a6 and black bishop at h6. Black pawn at a5, black pawn at e5 and black pawn at g5. White pawn at a4, white pawn at b4, black knight at e4 and white pawn at h4. White rook at a3 and white pawn at f3. White bishop at b2, white pawn at d2, white king at e2 and white pawn at g2. White knight at b1, white queen at e1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 15. Black to move.