rn2k1nr/2pb4/p2p4/bp5p/3QPp1p/2qP3N/P1PN1PP1/R1BK1B1R w kq - 4 21
FEN state: rn2k1nr/2pb4/p2p4/bp5p/3QPp1p/2qP3N/P1PN1PP1/R1BK1B1R w kq - 4 21 ; Best move: d4c3
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black knight at g8 and black rook at h8. Black pawn at c7 and black bishop at d7. Black pawn at a6 and black pawn at d6. Black bishop at a5, black pawn at b5 and black pawn at h5. White queen at d4, white pawn at e4, black pawn at f4 and black pawn at h4. Black queen at c3, white pawn at d3 and white knight at h3. White pawn at a2, white pawn at c2, white knight at d2, white pawn at f2 and white pawn at g2. White rook at a1, white bishop at c1, white king at d1, white bishop at f1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 4. Full move number is 21. White to move.