1rbk3r/2ppbp1p/pp2p1p1/1q3PB1/1P1n4/5PPN/P1PQB1RP/RN2K3 w Q - 0 19
FEN state: 1rbk3r/2ppbp1p/pp2p1p1/1q3PB1/1P1n4/5PPN/P1PQB1RP/RN2K3 w Q - 0 19 ; Best move: d2d4
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at d8 and black rook at h8. Black pawn at c7, black pawn at d7, black bishop at e7, black pawn at f7 and black pawn at h7. Black pawn at a6, black pawn at b6, black pawn at e6 and black pawn at g6. Black queen at b5, white pawn at f5 and white bishop at g5. White pawn at b4 and black knight at d4. White pawn at f3, white pawn at g3 and white knight at h3. White pawn at a2, white pawn at c2, white queen at d2, white bishop at e2, white rook at g2 and white pawn at h2. White rook at a1, white knight at b1 and white king at e1. White queenside is the only castle move available. Half move number is 0. Full move number is 19. White to move.