rnb1k1r1/pR1p1p2/6pp/2p3q1/2Pnp1P1/P2Q4/P2PPPBP/2BK2NR b q - 0 17
FEN state: rnb1k1r1/pR1p1p2/6pp/2p3q1/2Pnp1P1/P2Q4/P2PPPBP/2BK2NR b q - 0 17 ; Best move: e4d3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black rook at g8. Black pawn at a7, white rook at b7, black pawn at d7 and black pawn at f7. Black pawn at g6 and black pawn at h6. Black pawn at c5 and black queen at g5. White pawn at c4, black knight at d4, black pawn at e4 and white pawn at g4. White pawn at a3 and white queen at d3. White pawn at a2, white pawn at d2, white pawn at e2, white pawn at f2, white bishop at g2 and white pawn at h2. White bishop at c1, white king at d1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 17. Black to move.