rn2k2r/1b1pbN2/2p4p/p1P1pP2/p2q3R/4Q1P1/PP2P3/1R2BBK1 b k - 3 21
FEN state: rn2k2r/1b1pbN2/2p4p/p1P1pP2/p2q3R/4Q1P1/PP2P3/1R2BBK1 b k - 3 21 ; Best move: d4e3
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8 and black rook at h8. Black bishop at b7, black pawn at d7, black bishop at e7 and white knight at f7. Black pawn at c6 and black pawn at h6. Black pawn at a5, white pawn at c5, black pawn at e5 and white pawn at f5. Black pawn at a4, black queen at d4 and white rook at h4. White queen at e3 and white pawn at g3. White pawn at a2, white pawn at b2 and white pawn at e2. White rook at b1, white bishop at e1, white bishop at f1 and white king at g1. Black kingside is the only castle move available. Half move number is 3. Full move number is 21. Black to move.