1n2k1nr/r1pqpp1p/1p1p3b/p5p1/1N4PP/1P5B/P1PPP2R/1RBQK1N1 b k - 0 15
FEN state: 1n2k1nr/r1pqpp1p/1p1p3b/p5p1/1N4PP/1P5B/P1PPP2R/1RBQK1N1 b k - 0 15 ; Best move: a5b4
The current state of the chess board is: Black knight at b8, black king at e8, black knight at g8 and black rook at h8. Black rook at a7, black pawn at c7, black queen at d7, black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at b6, black pawn at d6 and black bishop at h6. Black pawn at a5 and black pawn at g5. White knight at b4, white pawn at g4 and white pawn at h4. White pawn at b3 and white bishop at h3. White pawn at a2, white pawn at c2, white pawn at d2, white pawn at e2 and white rook at h2. White rook at b1, white bishop at c1, white queen at d1, white king at e1 and white knight at g1. Black kingside is the only castle move available. Half move number is 0. Full move number is 15. Black to move.