rn1qk1r1/p7/2bb1ppB/1p1pp3/1P1p1P2/2NP2PP/P1PRP3/4KBNR b K - 0 19
FEN state: rn1qk1r1/p7/2bb1ppB/1p1pp3/1P1p1P2/2NP2PP/P1PRP3/4KBNR b K - 0 19 ; Best move: d4c3
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at e8 and black rook at g8. Black pawn at a7. Black bishop at c6, black bishop at d6, black pawn at f6, black pawn at g6 and white bishop at h6. Black pawn at b5, black pawn at d5 and black pawn at e5. White pawn at b4, black pawn at d4 and white pawn at f4. White knight at c3, white pawn at d3, white pawn at g3 and white pawn at h3. White pawn at a2, white pawn at c2, white rook at d2 and white pawn at e2. White king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 19. Black to move.