1r2kb1r/1p2p1p1/n1p4p/p3p2n/1Qq1Pp1P/N7/PP3PPN/1RK4R w k - 0 22
FEN state: 1r2kb1r/1p2p1p1/n1p4p/p3p2n/1Qq1Pp1P/N7/PP3PPN/1RK4R w k - 0 22 ; Best move: b4c4
The current state of the chess board is: Black rook at b8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at e7 and black pawn at g7. Black knight at a6, black pawn at c6 and black pawn at h6. Black pawn at a5, black pawn at e5 and black knight at h5. White queen at b4, black queen at c4, white pawn at e4, black pawn at f4 and white pawn at h4. White knight at a3. White pawn at a2, white pawn at b2, white pawn at f2, white pawn at g2 and white knight at h2. White rook at b1, white king at c1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 22. White to move.