2r1k1n1/p1pb3r/p4ppp/1P2n3/3QPP1P/b1P5/P5qR/RN2K1N1 b Q - 2 20
FEN state: 2r1k1n1/p1pb3r/p4ppp/1P2n3/3QPP1P/b1P5/P5qR/RN2K1N1 b Q - 2 20 ; Best move: g2g3
The current state of the chess board is: Black rook at c8, black king at e8 and black knight at g8. Black pawn at a7, black pawn at c7, black bishop at d7 and black rook at h7. Black pawn at a6, black pawn at f6, black pawn at g6 and black pawn at h6. White pawn at b5 and black knight at e5. White queen at d4, white pawn at e4, white pawn at f4 and white pawn at h4. Black bishop at a3 and white pawn at c3. White pawn at a2, black queen at g2 and white rook at h2. White rook at a1, white knight at b1, white king at e1 and white knight at g1. White queenside is the only castle move available. Half move number is 2. Full move number is 20. Black to move.