1rN1k1nr/p2p1N1p/n7/1pP1p1b1/1P2P1QP/1RN3p1/2P2PP1/2B1KBR1 b k - 2 20
FEN state: 1rN1k1nr/p2p1N1p/n7/1pP1p1b1/1P2P1QP/1RN3p1/2P2PP1/2B1KBR1 b k - 2 20 ; Best move: g5f6
The current state of the chess board is: Black rook at b8, white knight at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at d7, white knight at f7 and black pawn at h7. Black knight at a6. Black pawn at b5, white pawn at c5, black pawn at e5 and black bishop at g5. White pawn at b4, white pawn at e4, white queen at g4 and white pawn at h4. White rook at b3, white knight at c3 and black pawn at g3. White pawn at c2, white pawn at f2 and white pawn at g2. White bishop at c1, white king at e1, white bishop at f1 and white rook at g1. Black kingside is the only castle move available. Half move number is 2. Full move number is 20. Black to move.