rn4nr/pb1kp1b1/5p2/1P1p3p/1P1p1p2/2P3BP/3QP1PN/2R1KB1R w - - 0 20
FEN state: rn4nr/pb1kp1b1/5p2/1P1p3p/1P1p1p2/2P3BP/3QP1PN/2R1KB1R w - - 0 20 ; Best move: g3f4
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, black bishop at b7, black king at d7, black pawn at e7 and black bishop at g7. Black pawn at f6. White pawn at b5, black pawn at d5 and black pawn at h5. White pawn at b4, black pawn at d4 and black pawn at f4. White pawn at c3, white bishop at g3 and white pawn at h3. White queen at d2, white pawn at e2, white pawn at g2 and white knight at h2. White rook at c1, white king at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.