1nb1k1n1/1p3pB1/2r5/pqpp3p/1PPN2Bb/Q2P4/P4PPP/RN2K1R1 w Q - 6 19
FEN state: 1nb1k1n1/1p3pB1/2r5/pqpp3p/1PPN2Bb/Q2P4/P4PPP/RN2K1R1 w Q - 6 19 ; Best move: c4b5
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8 and black knight at g8. Black pawn at b7, black pawn at f7 and white bishop at g7. Black rook at c6. Black pawn at a5, black queen at b5, black pawn at c5, black pawn at d5 and black pawn at h5. White pawn at b4, white pawn at c4, white knight at d4, white bishop at g4 and black bishop at h4. White queen at a3 and white pawn at d3. White pawn at a2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white king at e1 and white rook at g1. White queenside is the only castle move available. Half move number is 6. Full move number is 19. White to move.