r1b3q1/1p2b2r/2p1Q3/p1kp1pp1/6P1/P1P5/1PKPPPPR/RNB2BN1 b - - 0 21
FEN state: r1b3q1/1p2b2r/2p1Q3/p1kp1pp1/6P1/P1P5/1PKPPPPR/RNB2BN1 b - - 0 21 ; Best move: c8e6
The current state of the chess board is: Black rook at a8, black bishop at c8 and black queen at g8. Black pawn at b7, black bishop at e7 and black rook at h7. Black pawn at c6 and white queen at e6. Black pawn at a5, black king at c5, black pawn at d5, black pawn at f5 and black pawn at g5. White pawn at g4. White pawn at a3 and white pawn at c3. White pawn at b2, white king at c2, white pawn at d2, white pawn at e2, white pawn at f2, white pawn at g2 and white rook at h2. White rook at a1, white knight at b1, white bishop at c1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. Black to move.