rnb2bn1/1pp2ppr/p1Bpk2p/4p1P1/P1Q2P2/2N1P2N/1PP2K1P/R1B3R1 b - - 4 15
FEN state: rnb2bn1/1pp2ppr/p1Bpk2p/4p1P1/P1Q2P2/2N1P2N/1PP2K1P/R1B3R1 b - - 4 15 ; Best move: e6e7
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black bishop at f8 and black knight at g8. Black pawn at b7, black pawn at c7, black pawn at f7, black pawn at g7 and black rook at h7. Black pawn at a6, white bishop at c6, black pawn at d6, black king at e6 and black pawn at h6. Black pawn at e5 and white pawn at g5. White pawn at a4, white queen at c4 and white pawn at f4. White knight at c3, white pawn at e3 and white knight at h3. White pawn at b2, white pawn at c2, white king at f2 and white pawn at h2. White rook at a1, white bishop at c1 and white rook at g1. Both players have exhausted their castles. Half move number is 4. Full move number is 15. Black to move.