r3kbnB/p1p1qp1r/n5p1/1p1P3p/1P4bP/4P2N/P2PQPPR/RN1K1B2 b q - 4 13
FEN state: r3kbnB/p1p1qp1r/n5p1/1p1P3p/1P4bP/4P2N/P2PQPPR/RN1K1B2 b q - 4 13 ; Best move: g4e2
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8, black knight at g8 and white bishop at h8. Black pawn at a7, black pawn at c7, black queen at e7, black pawn at f7 and black rook at h7. Black knight at a6 and black pawn at g6. Black pawn at b5, white pawn at d5 and black pawn at h5. White pawn at b4, black bishop at g4 and white pawn at h4. White pawn at e3 and white knight at h3. White pawn at a2, white pawn at d2, white queen at e2, white pawn at f2, white pawn at g2 and white rook at h2. White rook at a1, white knight at b1, white king at d1 and white bishop at f1. Black queenside is the only castle move available. Half move number is 4. Full move number is 13. Black to move.