r1q1k1nr/p1p1pp1p/4bbP1/1P1pn3/5PP1/1PN5/1BPPP2R/R2QKBN1 b kq - 0 15
FEN state: r1q1k1nr/p1p1pp1p/4bbP1/1P1pn3/5PP1/1PN5/1BPPP2R/R2QKBN1 b kq - 0 15 ; Best move: e5g4
The current state of the chess board is: Black rook at a8, black queen at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at e7, black pawn at f7 and black pawn at h7. Black bishop at e6, black bishop at f6 and white pawn at g6. White pawn at b5, black pawn at d5 and black knight at e5. White pawn at f4 and white pawn at g4. White pawn at b3 and white knight at c3. White bishop at b2, white pawn at c2, white pawn at d2, white pawn at e2 and white rook at h2. White rook at a1, white queen at d1, white king at e1, white bishop at f1 and white knight at g1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 15. Black to move.