rnbq1br1/2p1p2p/3p1k2/pp2Npp1/1P3P2/3Bn1P1/PNPP3P/R1BQK1R1 b Q - 1 12
FEN state: rnbq1br1/2p1p2p/3p1k2/pp2Npp1/1P3P2/3Bn1P1/PNPP3P/R1BQK1R1 b Q - 1 12 ; Best move: e3d1
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black bishop at f8 and black rook at g8. Black pawn at c7, black pawn at e7 and black pawn at h7. Black pawn at d6 and black king at f6. Black pawn at a5, black pawn at b5, white knight at e5, black pawn at f5 and black pawn at g5. White pawn at b4 and white pawn at f4. White bishop at d3, black knight at e3 and white pawn at g3. White pawn at a2, white knight at b2, white pawn at c2, white pawn at d2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white king at e1 and white rook at g1. White queenside is the only castle move available. Half move number is 1. Full move number is 12. Black to move.