rn4nr/p4k2/1p1Pppb1/1Np2P1p/6p1/1Pp3QP/P2PKPB1/R1B3NR b - - 1 21
FEN state: rn4nr/p4k2/1p1Pppb1/1Np2P1p/6p1/1Pp3QP/P2PKPB1/R1B3NR b - - 1 21 ; Best move: g6f5
The current state of the chess board is: Black rook at a8, black knight at b8, black knight at g8 and black rook at h8. Black pawn at a7 and black king at f7. Black pawn at b6, white pawn at d6, black pawn at e6, black pawn at f6 and black bishop at g6. White knight at b5, black pawn at c5, white pawn at f5 and black pawn at h5. Black pawn at g4. White pawn at b3, black pawn at c3, white queen at g3 and white pawn at h3. White pawn at a2, white pawn at d2, white king at e2, white pawn at f2 and white bishop at g2. White rook at a1, white bishop at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. Black to move.