r4bbr/pp1kp2p/2p4n/BB1p2p1/4P1nN/q1P2P2/PP2Q2P/R3K1R1 w Q - 0 19
FEN state: r4bbr/pp1kp2p/2p4n/BB1p2p1/4P1nN/q1P2P2/PP2Q2P/R3K1R1 w Q - 0 19 ; Best move: b2a3
The current state of the chess board is: Black rook at a8, black bishop at f8, black bishop at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black king at d7, black pawn at e7 and black pawn at h7. Black pawn at c6 and black knight at h6. White bishop at a5, white bishop at b5, black pawn at d5 and black pawn at g5. White pawn at e4, black knight at g4 and white knight at h4. Black queen at a3, white pawn at c3 and white pawn at f3. White pawn at a2, white pawn at b2, white queen at e2 and white pawn at h2. White rook at a1, white king at e1 and white rook at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 19. White to move.