rnb1k1nr/3pbp1p/p4Bq1/2p5/1Q2p3/Np1P3P/P2KP1P1/1R3BNR w k - 0 17
FEN state: rnb1k1nr/3pbp1p/p4Bq1/2p5/1Q2p3/Np1P3P/P2KP1P1/1R3BNR w k - 0 17 ; Best move: b4b3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at d7, black bishop at e7, black pawn at f7 and black pawn at h7. Black pawn at a6, white bishop at f6 and black queen at g6. Black pawn at c5. White queen at b4 and black pawn at e4. White knight at a3, black pawn at b3, white pawn at d3 and white pawn at h3. White pawn at a2, white king at d2, white pawn at e2 and white pawn at g2. White rook at b1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 17. White to move.