3q2n1/2p3b1/rpn2p1r/p1kpN1pp/4P1PP/P2b4/1PPPQPR1/RNB1K3 w Q - 3 19
FEN state: 3q2n1/2p3b1/rpn2p1r/p1kpN1pp/4P1PP/P2b4/1PPPQPR1/RNB1K3 w Q - 3 19 ; Best move: b2b4
The current state of the chess board is: Black queen at d8 and black knight at g8. Black pawn at c7 and black bishop at g7. Black rook at a6, black pawn at b6, black knight at c6, black pawn at f6 and black rook at h6. Black pawn at a5, black king at c5, black pawn at d5, white knight at e5, black pawn at g5 and black pawn at h5. White pawn at e4, white pawn at g4 and white pawn at h4. White pawn at a3 and black bishop at d3. White pawn at b2, white pawn at c2, white pawn at d2, white queen at e2, white pawn at f2 and white rook at g2. White rook at a1, white knight at b1, white bishop at c1 and white king at e1. White queenside is the only castle move available. Half move number is 3. Full move number is 19. White to move.