r3kb2/pp2n3/2r3p1/2pNnP1p/P3p1P1/1P5R/RBPPNP2/2Q1Kb2 b q - 0 21
FEN state: r3kb2/pp2n3/2r3p1/2pNnP1p/P3p1P1/1P5R/RBPPNP2/2Q1Kb2 b q - 0 21 ; Best move: f1h3
The current state of the chess board is: Black rook at a8, black king at e8 and black bishop at f8. Black pawn at a7, black pawn at b7 and black knight at e7. Black rook at c6 and black pawn at g6. Black pawn at c5, white knight at d5, black knight at e5, white pawn at f5 and black pawn at h5. White pawn at a4, black pawn at e4 and white pawn at g4. White pawn at b3 and white rook at h3. White rook at a2, white bishop at b2, white pawn at c2, white pawn at d2, white knight at e2 and white pawn at f2. White queen at c1, white king at e1 and black bishop at f1. Black queenside is the only castle move available. Half move number is 0. Full move number is 21. Black to move.