1rbq1bnr/p2k4/np1p3p/2pPppp1/2P2P2/4P1QP/PP1B2PR/RN1K1BN1 b - - 1 13
FEN state: 1rbq1bnr/p2k4/np1p3p/2pPppp1/2P2P2/4P1QP/PP1B2PR/RN1K1BN1 b - - 1 13 ; Best move: e5e4
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7 and black king at d7. Black knight at a6, black pawn at b6, black pawn at d6 and black pawn at h6. Black pawn at c5, white pawn at d5, black pawn at e5, black pawn at f5 and black pawn at g5. White pawn at c4 and white pawn at f4. White pawn at e3, white queen at g3 and white pawn at h3. White pawn at a2, white pawn at b2, white bishop at d2, white pawn at g2 and white rook at h2. White rook at a1, white knight at b1, white king at d1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 1. Full move number is 13. Black to move.