r4k2/ppp2ppr/n2b1n2/1Q5p/q2P4/P3p1PB/1PP3KP/R1BN2NR w - - 5 19
FEN state: r4k2/ppp2ppr/n2b1n2/1Q5p/q2P4/P3p1PB/1PP3KP/R1BN2NR w - - 5 19 ; Best move: b5a4
The current state of the chess board is: Black rook at a8 and black king at f8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at f7, black pawn at g7 and black rook at h7. Black knight at a6, black bishop at d6 and black knight at f6. White queen at b5 and black pawn at h5. Black queen at a4 and white pawn at d4. White pawn at a3, black pawn at e3, white pawn at g3 and white bishop at h3. White pawn at b2, white pawn at c2, white king at g2 and white pawn at h2. White rook at a1, white bishop at c1, white knight at d1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 5. Full move number is 19. White to move.