1r2k1nr/1q1p3p/2pb1p2/pnPbpPp1/QP4P1/B2P3N/P3P2P/R3KBR1 w k - 1 19
FEN state: 1r2k1nr/1q1p3p/2pb1p2/pnPbpPp1/QP4P1/B2P3N/P3P2P/R3KBR1 w k - 1 19 ; Best move: c5d6
The current state of the chess board is: Black rook at b8, black king at e8, black knight at g8 and black rook at h8. Black queen at b7, black pawn at d7 and black pawn at h7. Black pawn at c6, black bishop at d6 and black pawn at f6. Black pawn at a5, black knight at b5, white pawn at c5, black bishop at d5, black pawn at e5, white pawn at f5 and black pawn at g5. White queen at a4, white pawn at b4 and white pawn at g4. White bishop at a3, white pawn at d3 and white knight at h3. White pawn at a2, white pawn at e2 and white pawn at h2. White rook at a1, white king at e1, white bishop at f1 and white rook at g1. Black kingside is the only castle move available. Half move number is 1. Full move number is 19. White to move.