A new test is underway. The last Cheng (v.4.41) has big problems with Clover 2.1.2.1_x64_bmi2.
Like sample a game with a beautifully crafted ending:
[pgn]
[Event "Cheng 4.41_x64 Test"]
[Site "ISR 3"]
[Date "2021.04.29"]
[Round "5"]
[White "Cheng 4.41_x64"]
[Black "Clover.2.1.2.1_x64_bmi2"]
[Result "0-1"]
[BlackElo "2200"]
[ECO "B81"]
[Opening "Sicilian"]
[Time "22:28:54"]
[Variation "Scheveningen, Keres, 6...h6 7.h4 Nc6 8.Rg1"]
[WhiteElo "2000"]
[TimeControl "240+2"]
[Termination "adjudication"]
[PlyCount "91"]
[WhiteType "program"]
[BlackType "program"]
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 h6 7. h4 Nc6 8.
Rg1 d5 9. Bb5 {(Bf1-b5 Bc8-d7 e4xd5 Nf6xd5 Nc3xd5 e6xd5 Qd1-e2+ Bf8-e7
Nd4-f5 O-O Bb5xc6 Rf8-e8 Bc6xd7 Be7-b4+ c2-c3 Re8xe2+ Ke1xe2 Qd8xd7 c3xb4
Ra8-e8+ Ke2-f3 h6-h5 Bc1-g5 Qd7-e6) -0.18/15 9} Bd7 {(Bc8-d7 e4xd5 Nf6xd5
Nc3xd5 e6xd5 Qd1-e2+ Bf8-e7 Nd4-f5 O-O Nf5xe7+ Nc6xe7 Bb5xd7 Qd8xd7 Bc1-e3
Rf8-e8 O-O-O a7-a5 Kc1-b1 b7-b5 g4-g5 h6xg5 h4xg5 Ne7-f5 Rg1-h1 Nf5xe3
f2xe3) +0.42/22 10} 10. exd5 {(e4xd5 Nf6xd5 Nc3xd5 e6xd5 Qd1-e2+ Bf8-e7
Nd4-f5 O-O Bb5xc6 Rf8-e8 Nf5xe7+ Re8xe7 Bc1-e3 b7xc6 O-O-O Ra8-b8 Kc1-b1
Re7-e8 g4-g5 h6xg5 Rg1xg5 Qd8-f6 b2-b3 Bd7-f5 Qe2-a6 Bf5-e4 Qa6xa7)
-0.20/17 9} Nxd5 {(Nf6xd5 Nc3xd5 e6xd5 Qd1-e2+ Bf8-e7 Nd4-f5 Bd7xf5 g4xf5
Ke8-f8 c2-c3 Be7xh4 Bc1-e3 Nc6-e7 Bb5-d3 Bh4-f6 O-O-O Ra8-c8 Kc1-b1 Qd8-a5
Qe2-h5 Kf8-e8 Rg1-e1 d5-d4 Be3xd4 Bf6xd4 c3xd4 Qa5-b4) +0.30/24 10} 11.
Nxd5 {(Nc3xd5) -0.11/19 11} exd5 {(e6xd5 Qd1-e2+ Bf8-e7 Nd4-f5 Bd7xf5 g4xf5
Ke8-f8 c2-c3 Be7xh4 Bc1-e3 Nc6-e7 O-O-O Ne7xf5 Be3-c5+ Bh4-e7 Bb5-d3 Be7xc5
Bd3xf5 Qd8-f6 Rd1xd5 Ra8-e8 Qe2-f3 Bc5-b6 Rg1-d1 Qf6-h4 Rd5-d7 Qh4xf2
Qf3xf2 Bb6xf2 Rd7xb7) +0.41/25 10} 12. Qe2+ {(Qd1-e2+ Bf8-e7 Nd4-f5 O-O
Bb5xc6 Rf8-e8 Nf5xe7+ Re8xe7 Bc1-e3 Bd7xc6 O-O-O d5-d4 Qe2-c4 Qd8-e8 Qc4xd4
Bc6-f3 Rd1-d3 Bf3-e2 Rd3-b3 Re7-e4 Qd4-d2 Be2-f3 Be3xh6 Ra8-d8) -0.33/19
11} Be7 {(Bf8-e7 Nd4-f5 Bd7xf5 g4xf5 Ke8-f8 Bc1-e3 Qd8-a5+ Ke1-f1 Be7xh4
Bb5xc6 b7xc6 Be3-d4 Bh4-f6 Bd4xf6 g7xf6 Ra1-e1 Qa5-b5 Qe2xb5 c6xb5 Re1-d1
Ra8-d8 Rg1-g3 Kf8-e7 Rd1-e1+ Ke7-d6 Rg3-a3 Rd8-d7 Ra3-a6+ Kd6-c5 Ra6xf6
h6-h5 Rf6-a6 h5-h4 f5-f6) +0.25/26 9} 13. Nf5 {(Nd4-f5) -0.33/19 10} Bxf5
{(Bd7xf5 g4xf5 Ke8-f8 Bc1-e3 Qd8-a5+ Ke1-f1 Be7xh4 Ra1-d1 Ra8-d8 c2-c4
d5xc4 Rd1xd8+ Qa5xd8 Qe2xc4 Bh4-f6 Bb5xc6 b7xc6 Qc4xc6 Kf8-g8 Kf1-g2 Kg8-h7
Qc6-b7 Qd8-a8 Qb7xa8 Rh8xa8 Rg1-d1 Bf6xb2 Rd1-d7 Kh7-g8 Rd7xa7) +0.15/25 9}
14. gxf5 {(g4xf5 O-O Bc1xh6 Be7-f6 O-O-O Bf6xb2+ Kc1xb2 Qd8-f6+ Kb2-b1
Qf6xh6 Rd1xd5 a7-a6 Bb5xc6 b7xc6 Rd5-d3 Ra8-b8+ Rd3-b3 Rf8-e8 Qe2-g4 Qh6-f6
Qg4-g5 Qf6-c3 f5-f6 Re8-e1+ Rg1xe1 Qc3xe1+ Kb1-b2) +0.22/18 8} Kf8 {(Ke8-f8
Bc1-e3 Qd8-a5+ Ke1-f1 Be7xh4 Ra1-d1 Ra8-d8 c2-c4 d5xc4 Rd1xd8+ Qa5xd8
Qe2xc4 Bh4-f6 Bb5xc6 b7xc6 Qc4xc6 Kf8-g8 Kf1-g2 Kg8-h7 Qc6-b7 Rh8-f8 Rg1-c1
a7-a5 Rc1-c7 Qd8-d1 a2-a3 Qd1-g4+ Kg2-f1 Qg4xf5 Rc7xf7) +0.21/24 9} 15. Be3
{(Bc1-e3 Qd8-a5+ Be3-d2 Qa5-b6 O-O-O Be7-f6 c2-c3 Kf8-g8 Kc1-b1 d5-d4
Bb5xc6 b7xc6 c3xd4 c6-c5 b2-b3 c5xd4 Qe2-h5 Ra8-d8 Rd1-c1 d4-d3 Rg1-g3
Qb6xf2) +0.01/16 7} Qa5+ {(Qd8-a5+ Ke1-f1 Be7-f6 c2-c3 d5-d4 c3xd4 Kf8-g8
Bb5xc6 b7xc6 Ra1-c1 Ra8-e8 Rc1xc6 Qa5xf5 Kf1-g2 Qf5-g6+ Kg2-f1 Qg6-b1+
Kf1-g2 Qb1-g6+) 0.00/23 9} 16. Bd2 {(Be3-d2 Qa5-b6 O-O-O Be7-f6 c2-c3
Kf8-g8 Kc1-b1 d5-d4 Bb5xc6 b7xc6 c3xd4 c6-c5 b2-b3 c5xd4 Qe2-h5 Ra8-d8
Rd1-c1 d4-d3 Rg1-g2 Bf6-e5 b3-b4) +0.05/18 9} Qb6 {(Qa5-b6 O-O-O Be7-f6
Bd2-e3 d5-d4 Be3-f4 Qb6-c5 Rg1-e1 Qc5xf5 Bf4-d6+ Kf8-g8 Bd6-g3 g7-g6 Bb5-d3
Qf5-d7 h4-h5 Kg8-g7 Bd3-e4 Ra8-e8 c2-c3 Qd7-h3 h5xg6 f7xg6 Qe2-b5 d4xc3
Qb5xb7+) +0.24/22 8} 17. O-O-O {(O-O-O Be7-f6 Bd2-e3 d5-d4 Be3-f4 Ra8-c8
a2-a3 Kf8-g8 Bb5-d3 h6-h5 Kc1-b1 Qb6-c5 Bd3-e4 Bf6xh4 Rg1-h1 Bh4-f6 Rh1xh5
Nc6-a5) +0.08/16 8} Bf6 {(Be7-f6 Bd2-e3 d5-d4 Be3-f4 Ra8-c8 Kc1-b1 Qb6-c5
Rd1-e1 Bf6xh4 Bb5-d3 Bh4-f6 a2-a3 h6-h5 Bf4-g5 Qc5-e7 Qe2-f3 Qe7-d8 Bg5xf6
Qd8xf6 Qf3-d5 Kf8-g8 Qd5-d7 Rc8-b8 Bd3-e4 h5-h4 Be4xc6 b7xc6 Qd7xa7)
+0.06/23 8} 18. c3 {(c2-c3 Kf8-g8 Bb5xc6 b7xc6 Bd2-e3 Ra8-e8 Qe2-h5 Qb6-a6
Kc1-b1 Qa6-b5 Kb1-a1 Re8-b8 Rd1-d2 Qb5-a4 Rg1-g4 Qa4-b5 Rg4-g1) 0.00/16 8}
d4 {(d5-d4 Bb5xc6 Qb6xc6 Kc1-b1 d4xc3 Bd2xc3 Bf6xc3 b2xc3 Ra8-e8 Qe2-g4
Qc6xc3 Rg1-g3 Qc3-f6 Rg3-b3 h6-h5 Qg4-h3 Kf8-g8 Rb3xb7 Re8-e2 Rd1-d7
Re2-e1+ Kb1-c2 Qf6-c6+) +0.40/21 8} 19. Rde1 {(Rd1-e1 Ra8-d8 Bb5-c4 Nc6-e5
Bc4-b3 Ne5-d3+ Kc1-b1 Nd3xe1 Rg1xe1 Kf8-g8 Qe2-h5 Qb6-c7 c3xd4 Bf6xd4
Qh5-g6 Bd4-e5 Re1-c1 Qc7-e7) +0.05/15 18} Rc8 {(Ra8-c8 Bb5xc6 Qb6xc6 Kc1-b1
Bf6xh4 Re1-c1 d4-d3 Qe2xd3 Bh4xf2 Rg1-f1 Bf2-h4 Bd2-e3 Rc8-d8 Be3-d4 Kf8-g8
Qd3-f3 Qc6xf3 Rf1xf3 Kg8-h7 Bd4xa7 Bh4-f6 Ba7-d4 Bf6xd4 c3xd4 Rd8xd4)
+0.92/22 8} 20. Kb1 {(Kc1-b1 Kf8-g8 Re1-c1 Rc8-d8 Bb5-c4 Nc6-e5 c3xd4
Qb6xd4 Bd2-a5 b7-b6 Ba5-c3 Qd4-f4 Bc3xe5 Qf4xf5+ Bc4-d3 Qf5xe5 Qe2xe5
Bf6xe5 Bd3-f5) -0.31/14 7} dxc3 {(d4xc3 Bd2xc3 Bf6xc3 b2xc3 a7-a6 f5-f6
g7-g5 h4xg5 Qb6xb5+ Qe2xb5 a6xb5 Rg1-h1 h6-h5 Rh1-h4 Rc8-e8 Re1-h1 Nc6-e5
Rh4-b4 Ne5-d3 Rb4xb5 h5-h4 Rh1-h2 Rh8-h5 Rb5xb7 Nd3-c5 Rb7-b5 Nc5-e4 Kb1-c2
Ne4xf6 c3-c4 Nf6-e4 f2-f4 Kf8-g7 Rh2-h3 Ne4-f2 Rh3-a3) +1.65/26 8} 21. Bxc3
{(Bd2xc3 Bf6xc3 b2xc3 a7-a6 f5-f6 g7-g6 a2-a4 a6xb5 a4xb5 Qb6-c5 b5xc6
Qc5-f5+ Qe2-e4 Qf5xe4+ Re1xe4 Rc8xc6 Re4-f4 Rc6xc3 Kb1-b2 Rc3-c5 Rg1-a1
Kf8-g8 Ra1-a7 Rc5-b5+ Kb2-c3 Kg8-h7) -0.41/17 7} Bxc3 {(Bf6xc3 b2xc3 a7-a6
f5-f6 g7-g6 a2-a4 a6xb5 a4xb5 Rc8-b8 h4-h5 g6-g5 f2-f4 Rh8-g8 Qe2-b2 Qb6-c5
b5xc6 Qc5-f5+ Kb1-c1 Qf5xf4+ Qb2-d2 b7xc6 Qd2xf4 g5xf4 Rg1xg8+ Kf8xg8
Re1-g1+ Kg8-h7 Rg1-g7+ Kh7-h8 Rg7-g1 f4-f3 Rg1-f1 Rb8-b5 Rf1xf3 Rb5xh5
Kc1-c2) +0.53/25 7} 22. bxc3 {(b2xc3 a7-a6 f5-f6 g7-g6 a2-a4 a6xb5 a4xb5
h6-h5 Rg1-g3 Rc8-b8 Kb1-c1 Rb8-a8 Kc1-b1 Kf8-g8 Rg3xg6+ f7xg6 Qe2-e6+
Kg8-f8 Qe6-d6+ Kf8-g8 Qd6-e6+) 0.00/19 6} a6 {(a7-a6 f5-f6 g7-g6 a2-a4
a6xb5 a4xb5 Rc8-b8 Kb1-c2 Nc6-b4+ c3xb4 Qb6xf6 Qe2-e5 Rb8-c8+ Kc2-b3 Kf8-g7
Qe5xf6+ Kg7xf6 Re1-c1 Rh8-d8 Rg1-d1 Rd8xd1 Rc1xc8 Rd1-b1+ Kb3-a3 Rb1-a1+
Ka3-b2 Ra1-h1 Rc8-b8 Rh1xh4 Kb2-b3 Rh4-h3+ Kb3-c4 Rh3-h4+ Kc4-b3) 0.00/26
7} 23. f6 {(f5-f6 g7-g5 a2-a4 a6xb5 a4xb5 Qb6-a5 b5xc6 Qa5-f5+ Qe2-c2
Qf5-b5+ Qc2-b2 Qb5xb2+ Kb1xb2 Rc8xc6 h4xg5 h6xg5 Rg1xg5 Rc6xf6 Re1-e2
Rh8-h2 Kb2-b3 Rh2xf2 Re2xf2 Rf6xf2 Rg5-b5 Rf2-f1 Kb3-c4 Rf1-f4+ Kc4-d3)
-0.12/19 7} g6 {(g7-g6 a2-a4 a6xb5 a4xb5 Rc8-b8 Kb1-c2 Rb8-a8 Kc2-b1 h6-h5
Rg1-g3 Qb6-c5 b5xc6 Qc5-b6+ Qe2-b2 Qb6xc6 Qb2-b4+ Kf8-g8 Rg3xg6+ f7xg6
Qb4-b3+ Kg8-f8 Qb3-b4+ Kf8-g8) 0.00/28 7} 24. a4 {(a2-a4 a6xb5 a4xb5 h6-h5
Rg1-g3 Rc8-d8 Kb1-c1 Qb6-a5 b5xc6 Qa5-a1+ Kc1-c2 Qa1-a2+ Kc2-c1 Qa2-a1+)
0.00/20 5} axb5 {(a6xb5 a4xb5 Rc8-b8 h4-h5 g6-g5 f2-f4 Rh8-g8 Kb1-c2
Nc6-b4+ c3xb4 Qb6xf6 f4xg5 Rb8-c8+ Kc2-b1 Rg8xg5 Rg1xg5 Qf6xg5 Qe2-e4
Qg5-g3 Re1-e3 Qg3-g7 Kb1-a2 Qg7-g1 Re3-e1 Qg1-g3 Re1-e3 Qg3-g1) 0.00/27 7}
25. axb5 {(a4xb5 h6-h5 Rg1-g3 Rc8-d8 Kb1-c1 Qb6-a5 b5xc6 Qa5-a1+ Kc1-c2
Qa1-a2+ Kc2-c1 Qa2-a1+) 0.00/21 7} Rb8 {(Rc8-b8 h4-h5 g6-g5 f2-f4 Rh8-g8
Kb1-c2 Nc6-b4+ Kc2-b3 Nb4-d5 c3-c4 Qb6xf6 c4xd5 Rb8-c8 Qe2-e5 Qf6xf4 Qe5xf4
g5xf4 Rg1xg8+ Kf8xg8 Kb3-b4 b7-b6 Re1-f1 Rc8-c5 Rf1xf4 Rc5xd5 Rf4-f6 Rd5xh5
Rf6xb6 Rh5-h2 Kb4-c5 Kg8-g7) +0.22/25 6} 26. h5 {(h4-h5 g6-g5 f2-f4 Qb6-c5
b5xc6 Qc5xc3 Qe2-e7+ Kf8-g8 c6-c7 Qc3-b3+ Kb1-c1 Qb3-c3+ Kc1-d1 Qc3-d3+
Kd1-c1 Qd3-c3+) 0.00/17 6} g5 {(g6-g5 Rg1-g3 Qb6-c5 b5xc6 b7xc6+ Kb1-c2
Qc5-f5+ Rg3-d3 Qf5xf6 Rd3-f3 Qf6-d6 Qe2-c4 Qd6-d5 Qc4xd5 c6xd5 Rf3-f5
Rb8-b7 Rf5xd5 Kf8-g7 f2-f4 f7-f6 Re1-d1 Kg7-f7 f4-f5 Kf7-e7 Rd1-e1+ Ke7-f7
Re1-d1) 0.00/26 6} 27. f4 {(f2-f4 Qb6-c5 b5xc6 Qc5xc3 c6-c7 Rb8-a8 Qe2-b2
Qc3-d3+ Kb1-c1 Qd3-c4+ Kc1-b1 Qc4-d3+) 0.00/19 7} Rg8 {(Rh8-g8 Kb1-c2
Nc6-b4+ Kc2-b3 Nb4-d5 c3-c4 Qb6xf6 c4xd5 Rb8-c8 Re1-c1 Rc8xc1 Rg1xc1 Qf6xf4
Rc1-c8+ Kf8-g7 Qe2-b2+ f7-f6 Rc8xg8+ Kg7xg8 Qb2-c2 Qf4-e3+ Kb3-b4 Qe3-d4+
Kb4-a3 Qd4xd5 Qc2-g6+ Kg8-f8 Qg6xh6+ Kf8-f7 Qh6-g6+ Kf7-e7 h5-h6 Qd5-d6+
Ka3-b3 Qd6-d1+ Kb3-b4 Qd1-e1+ Kb4-a4 Qe1-a1+ Ka4-b4 Qa1-d4+ Kb4-a5 Qd4-a7+
Ka5-b4 Qa7-d4+) 0.00/26 6} 28. Kc2 {(Kb1-c2) -0.15/16 6} Nb4+ {(Nc6-b4+
c3xb4 Qb6xf6 Qe2-c4 Qf6xf4 Qc4xf4 g5xf4 Rg1xg8+ Kf8xg8 Re1-f1 Rb8-e8 Rf1xf4
Re8-e5 Rf4-f6 Re5xb5 Rf6xh6 Kg8-g7 Rh6-d6 Rb5xb4 Rd6-d7 Rb4-b5 h5-h6+
Kg7-h7 Rd7xf7+ Kh7xh6) 0.00/25 6} 29. cxb4 {(c3xb4 Qb6xf6 f4xg5 Rg8xg5
Rg1xg5 h6xg5 Qe2-e5 Qf6xe5 Re1xe5 f7-f6 Re5-f5 Kf8-f7 b5-b6 g5-g4 h5-h6
g4-g3 Rf5-c5 g3-g2 Rc5-c7+ Kf7-g6 Rc7-g7+ Kg6xh6 Rg7xg2 Rb8-c8+ Kc2-b3
Rc8-c6 Rg2-g8 Rc6xb6 Kb3-c4 f6-f5) -0.27/18 6} Qxf6 {(Qb6xf6 Qe2-e5 Qf6xe5
Re1xe5 g5xf4 Rg1xg8+ Kf8xg8 Re5-f5 Rb8-e8 Rf5xf4 Re8-e5 Rf4-f6 Re5xb5
Rf6xh6 Kg8-g7 Rh6-d6 Rb5xb4 Rd6-d7 Rb4-b5 h5-h6+ Kg7-h7 Rd7xf7+ Kh7xh6)
0.00/27 6} 30. fxg5 {(f4xg5 Rg8xg5 Rg1xg5 h6xg5 Qe2-e5 Qf6xe5 Re1xe5 f7-f6
Re5-e6 Kf8-g7 Kc2-d3 g5-g4 Kd3-e3 g4-g3 Ke3-f3 Rb8-g8 Kf3-g2 Kg7-h6 Re6xf6+
Kh6xh5 Rf6-f7 b7-b6 Rf7-f6 Kh5-g4 Rf6xb6) -0.22/18 6} Rc8+ {(Rb8-c8+ Kc2-b1
Rg8xg5 Rg1xg5 Qf6xg5 Qe2-e4 Qg5-g3 Qe4-e7+ Kf8-g7 Qe7-e5+ Qg3xe5 Re1xe5
Rc8-c4 Kb1-b2 Rc4xb4+ Kb2-c2 Rb4-c4+ Kc2-d3 Kg7-f6 Re5-d5 Rc4-c1 Kd3-d4
Rc1-c7 Rd5-c5 Rc7-e7 Rc5-c8 Kf6-g5 Rc8-c5+ Kg5-f4 b5-b6 Re7-e6 Rc5-b5
Kf4-g3) +0.43/24 6} 31. Kb1 {(Kc2-b1 Rg8xg5 Rg1xg5 Qf6xg5 Qe2-e4 Qg5-g3
Re1-e3 Qg3-g1+ Re3-e1 Qg1-f2 Qe4-e7+ Kf8-g8 Qe7-e4 Rc8-a8 Re1-e2 Qf2-f1+
Re2-e1 Qf1-f6 Qe4-e5 Qf6-f2 Qe5-c3 Ra8-d8 Re1-c1 Kg8-h7 Qc3-c5 Rd8-d4 b5-b6
Qf2-f4 Qc5-c2+ Kh7-h8) -0.42/18 3} Rxg5 {(Rg8xg5 Rg1xg5 Qf6xg5 Qe2-e4
Qg5-g3 Qe4-e7+ Kf8-g7 Qe7-e5+ Qg3xe5 Re1xe5 Rc8-c4 Re5-c5 Rc4xb4+ Kb1-c2
b7-b6 Rc5-d5 Rb4-e4 Kc2-d3 Re4-e6 Rd5-f5 Kg7-f8 Kd3-d4 Kf8-e7 Rf5-e5 f7-f6
Re5-e4 Ke7-d7 Re4-f4 Re6-d6+ Kd4-e4 Kd7-e7 Rf4-f5 Rd6-d1 Rf5-d5 Rd1-b1)
+0.52/27 6} 32. Rxg5 {(Rg1xg5 Qf6xg5 Qe2-e4 Qg5-g3 Re1-e3 Qg3-g1+ Re3-e1
Qg1-f2 b5-b6 Rc8-c4 Qe4xc4 Qf2xe1+ Kb1-c2 Qe1-f2+ Kc2-c3 Qf2xb6 Qc4-f4
Qb6-c6+ Kc3-b2 b7-b6 Qf4-b8+ Kf8-e7 Qb8-e5+ Qc6-e6 Qe5-c7+ Ke7-f6 Qc7-f4+
Kf6-g7) -0.63/18 4} Qxg5 {(Qf6xg5 Qe2-e4 Qg5-g3 Qe4-e7+ Kf8-g8 Qe7-e3
Qg3-d6 Qe3-e4 f7-f5 Qe4-e6+ Qd6xe6 Re1xe6 f5-f4 Re6xh6 Rc8-f8 Rh6-g6+
Kg8-h7 Kb1-c2 f4-f3 Rg6-g1 Kh7-h6 Kc2-d2 Kh6xh5 Kd2-e3 b7-b6 Ke3-f2 Rf8-f5
Rg1-c1 Kh5-g4 Rc1-c4+ Rf5-f4 Rc4-c6 Rf4xb4 Rc6-g6+ Kg4-f5 Rg6xb6) +0.10/27
5} 33. Qe4 {(Qe2-e4 Qg5-g3 Re1-e3 Qg3-g1+ Re3-e1 Qg1-f2 Re1-e3 Rc8-a8
Qe4-e5 Qf2-a2+ Kb1-c1 Qa2-c4+ Kc1-d1 Ra8-d8+ Kd1-e1 Qc4xb4+ Ke1-f2 Qb4-d4
Kf2-f3 Rd8-d5 Qe5xd4 Rd5xd4 Re3-e5 Rd4-b4 Kf3-e3 b7-b6 Ke3-d3 Rb4-h4 Re5-f5
Kf8-e7) -0.72/18 5} Qg3 {(Qg5-g3 Qe4-e7+ Kf8-g8 Qe7-e3 Qg3xe3 Re1xe3 Rc8-c4
Re3-e5 Rc4xb4+ Kb1-c2 Kg8-g7 Re5-c5 Kg7-f6 Kc2-d3 Rb4-b1 Kd3-d4 Rb1-d1+
Kd4-e4 Rd1-e1+ Ke4-d4 Re1-e7 Kd4-c4 Kf6-e6 Rc5-c8 Ke6-d7 Rc8-b8 Kd7-d6
Rb8-h8 Re7-e6 Kc4-d4 Re6-f6 Kd4-e3 Kd6-e5) +0.27/28 6} 34. Re3 {(Re1-e3
Qg3-g1+ Re3-e1 Qg1-f2 b5-b6 Rc8-c4 Qe4xc4 Qf2xe1+ Kb1-b2 Qe1-f2+ Kb2-c3
Qf2xb6 Qc4-f4 Qb6-c6+ Kc3-b2 Qc6-g2+ Kb2-c3 Qg2-h3+ Kc3-d4 Qh3xh5 Qf4-b8+
Kf8-g7 Qb8xb7 Qh5-d1+ Kd4-c5 Qd1-g1+ Kc5-b5 Qg1-g5+ Kb5-a6 Qg5-f6+ Ka6-b5
Qf6-e5+ Kb5-a6 h6-h5 b4-b5 Qe5-a1+ Ka6-b6 Qa1-f6+ Kb6-a5) -0.82/20 5} Qf2
{(Qg3-f2 Qe4-e7+ Kf8-g8 Qe7-e4 Rc8-a8 Qe4-g4+ Kg8-f8 Re3-c3 Qf2-f1+ Kb1-b2
Qf1xb5 Rc3-c5 Qb5-e8 Qg4-f5 b7-b6 Rc5-c7 Qe8-e2+ Rc7-c2 Qe2-d1 Rc2-c8+
Ra8xc8 Qf5xc8+ Kf8-g7 Qc8-c3+ Kg7-h7 Qc3-c2+ Qd1xc2+ Kb2xc2 f7-f5 Kc2-c1
f5-f4 Kc1-d2 Kh7-g7) +0.77/23 5} 35. Qe7+ {(Qe4-e7+ Kf8-g8 Qe7-e4 Qf2-f1+
Re3-e1 Qf1-c4 Qe4xc4 Rc8xc4 Re1-e5 Rc4xb4+ Kb1-a2 b7-b6 Re5-d5 Kg8-f8
Ka2-a3 Rb4-b1 Ka3-a2 Rb1-e1 Rd5-d6 Re1-e6 Rd6-d8+ Kf8-e7) -0.81/16 6} Kg8
{(Kf8-g8 Qe7-e4 Rc8-a8 Qe4-g4+ Kg8-f8 Re3-c3 Ra8-e8 Qg4-c4 Kf8-g7 Qc4-c5
Qf2-f4 Rc3-c2 Re8-e5 Rc2-g2+ Re5-g5 Rg2-g1 Kg7-h7 Rg1xg5 h6xg5 Qc5-e7
Kh7-h6 Qe7xb7 Qf4xb4+ Kb1-c2 Qb4-c4+ Kc2-b2 Kh6xh5 b5-b6) +0.55/25 5} 36.
Qe4 {(Qe7-e4 Qf2-f1+ Re3-e1 Qf1-c4 Qe4xc4 Rc8xc4 Re1-e5 Rc4xb4+ Kb1-c2
Kg8-f8 Kc2-c3 Rb4-b1 Kc3-d3 b7-b6 Kd3-e2 Rb1-b3 Ke2-f2 Rb3-h3 Kf2-e2 Rh3-c3
Re5-d5 Rc3-b3 Rd5-d6 Rb3xb5) -0.84/19 5} Ra8 {(Rc8-a8 Qe4-g4+ Kg8-f8 Re3-c3
Qf2-f1+ Kb1-b2 Qf1xb5 Qg4-d4 Qb5-e2+ Rc3-c2 Ra8-a2+ Kb2xa2 Qe2xc2+ Ka2-a3
Qc2-c6 Qd4-e5 b7-b6 b4-b5 Qc6-e6 Qe5-b8+ Kf8-g7 Qb8-g3+ Kg7-h7 Qg3-d3+
Kh7-g8 Qd3-g3+ Kg8-h8 Qg3-c3+ f7-f6 Qc3-c7 Kh8-g8 Qc7-g3+ Kg8-f8 Qg3-f4
Qe6-h3+ Ka3-b4 Kf8-g7) +0.60/24 5} 37. Qg4+ {(Qe4-g4+ Kg8-f8 Qg4-e2 Qf2-f4
Re3-e4 Qf4-f5 Qe2-d3 Qf5xh5 Kb1-b2 Qh5-h2+ Re4-e2 Qh2-g1 Kb2-b3 h6-h5
Re2-e3 h5-h4 Qd3-d6+ Kf8-g8 Re3-f3) -0.98/15 8} Kf8 {(Kg8-f8 Re3-c3 Qf2-f1+
Kb1-b2 Qf1xb5 Rc3-c5 Qb5-e8 Qg4-d4 Qe8-e2+ Rc5-c2 Ra8-a2+ Kb2xa2 Qe2xc2+
Ka2-a3 Qc2-c6 Qd4-e5 b7-b6 b4-b5 Qc6-e6 Qe5-b8+ Kf8-g7 Qb8-g3+ Kg7-h8
Qg3-d3 f7-f5 Qd3-d8+ Kh8-g7 Qd8-c7+ Kg7-f8 Qc7-b8+ Kf8-f7 Qb8-f4 Kf7-e7
Qf4-c7+ Ke7-e8 Ka3-b4 Qe6-e1+ Kb4-c4 Qe1-e2+) +0.50/24 5} 38. Qe2 {(Qg4-e2
Qf2-f4 Re3-e4 Qf4-f5 Qe2-c4 Ra8-c8 Qc4-d3 Qf5xh5 Kb1-b2 Qh5-g5 Re4-e3
Qg5-f4 Kb2-b3 Rc8-c4 Qd3xc4 Qf4xe3+ Kb3-a4 Qe3-f2 Qc4-c8+ Kf8-g7 Qc8-g4+
Kg7-f6 Ka4-b3) -1.03/18 5} Qf6 {(Qf2-f6 Re3-e5 Qf6-d6 Re5-c5 Ra8-e8 Qe2-c2
b7-b6 Rc5-c4 Qd6-d5 Rc4-c8 Qd5xb5 Rc8xe8+ Qb5xe8 Qc2-d2 Qe8-e6 Qd2-d8+
Kf8-g7 Qd8-d4+ f7-f6 Qd4-g1+ Kg7-f8 Kb1-b2 Qe6-e2+ Kb2-c3 Qe2-f3+ Kc3-c4
Qf3xh5 Qg1xb6 Qh5-e2+ Kc4-c3 Qe2-f3+ Kc3-c4 Qf3-f4+ Kc4-d5 Qf4-e5+ Kd5-c4
h6-h5) +1.05/23 5} 39. Re5 {(Re3-e5 Qf6-f4 Re5-e4 Qf4-f5 Qe2-d3 Qf5xh5
Qd3-d6+ Kf8-g8 Qd6-g3+ Kg8-h7 Qg3-d3 Qh5-g6 Re4-d4 h6-h5 Kb1-b2 Qg6xd3
Rd4xd3 Kh7-g7 Rd3-d4 Ra8-e8 Kb2-b3 b7-b6 Rd4-d6 h5-h4 Rd6xb6 h4-h3)
-0.99/19 4} Qd6 {(Qf6-d6 Re5-e4 Qd6-d5 Qe2-c2 b7-b6 Re4-c4 Qd5xh5 Rc4-c8+
Ra8xc8 Qc2xc8+ Kf8-g7 Qc8-c3+ Kg7-h7 Qc3-c7 Qh5-g6+ Kb1-a2 Qg6-e6+ Ka2-a3
Qe6-e3+ Ka3-a4 Qe3-f2 Ka4-a3 Kh7-g6 Qc7-d6+ Kg6-g5 Qd6-d5+ Kg5-g4 Ka3-b3
h6-h5 Qd5-e4+ Kg4-g3 Qe4-e5+) +1.58/24 5} 40. Rc5 {(Re5-c5 Qd6-d4 Qe2-b2
Qd4-e4+ Kb1-c1 Kf8-g8 Rc5-c3 Qe4-e1+ Kc1-c2 Ra8-e8 Qb2-c1 Qe1-e4+ Kc2-b3
Qe4-d5+ Rc3-c4 Qd5xh5 Qc1-g1+ Kg8-h7 Qg1-b1+ Qh5-g6 Qb1xg6+ Kh7xg6 Rc4-c7
b7-b6 Rc7-c6+ Re8-e6 Kb3-c4 Kg6-f5 Rc6-c7 Re6-e4+ Kc4-d5) -0.79/17 3} Re8
{(Ra8-e8 Qe2-c2 Qd6-d4 Rc5-c3 Qd4xb4+ Qc2-b2 Qb4xb2+ Kb1xb2 Re8-e5 Rc3-b3
b7-b6 Kb2-c3 Re5xh5 Kc3-c4 Rh5-c5+ Kc4-b4 h6-h5 Rb3-a3 h5-h4 Ra3-h3 Rc5-h5
Kb4-c4 Kf8-e7 Kc4-d3 Ke7-f6 Kd3-e3 Kf6-e6 Rh3-h1 Rh5xb5 Rh1xh4) +2.39/24 4}
41. Qc2 {(Qe2-c2 b7-b6 Rc5-c4 Qd6-d5 Kb1-b2 Qd5xh5 Qc2-d3 Qh5-e5+ Kb2-b3
Qe5xb5 Qd3-d6+ Kf8-g7 Qd6-g3+ Qb5-g5 Rc4-g4 Re8-e3+ Qg3xe3 Qg5xg4 Qe3xb6
h6-h5 Qb6-c5 Qg4-f3+ Kb3-c4 Qf3-e4+ Kc4-c3) -0.99/16 4} Qd4 {(Qd6-d4 Rc5-c3
Qd4xb4+ Qc2-b2 Re8-e1+ Kb1-a2 Qb4xb2+ Ka2xb2 Re1-e5 Rc3-b3 b7-b6 Kb2-c3
Re5xh5 Kc3-c4 Rh5-c5+ Kc4-b4 h6-h5 Rb3-h3 Rc5-g5 Kb4-c4 Kf8-e7 Rh3-h2
Ke7-f6 Rh2-h3 Rg5-f5 Rh3-h1 Kf6-g6 Kc4-b4 Rf5-f4+ Kb4-c3 h5-h4) +2.57/25 5}
42. Qb2 {(Qc2-b2 Qd4-d3+ Rc5-c2 Re8-e3 Kb1-a1 Kf8-e7 Rc2-c7+ Ke7-d8 Rc7-c2
Qd3-d1+ Qb2-c1 Qd1xc1+ Rc2xc1 Re3-e4 Ka1-a2 Re4xb4 Rc1-c5 Kd8-d7 Ka2-a3
Rb4-b1 Ka3-a4 Kd7-d6 Rc5-c8 Rb1-f1 Rc8-h8 Kd6-e5 Rh8xh6) -0.86/17 3} Qd3+
{(Qd4-d3+ Qb2-c2 Re8-e1+ Kb1-b2 Re1-e2 Qc2xe2 Qd3xe2+ Kb2-b3 Qe2-f3+ Kb3-c4
Qf3-f4+ Kc4-b3 b7-b6 Rc5-c6 Qf4-f3+ Rc6-c3 Qf3-d5+ Kb3-a4 Qd5xh5 Rc3-c6
Qh5-e2 Ka4-b3 h6-h5 Rc6-c3 Qe2xb5 Rc3-c4 Qb5-e5) +7.90/24 4} 43. Rc2
{(Rc5-c2 Kf8-g8 Qb2-c3 Qd3xb5 Rc2-g2+ Kg8-f8 Qc3-g7+ Kf8-e7 Qg7-g4 Qb5-f1+
Kb1-b2 b7-b5 Qg4-g7 Qf1-e1 Qg7-d4 Re8-c8 Qd4-a7+ Ke7-f8 Qa7-d4 Qe1-c1+
Kb2-b3 Qc1-c4+ Qd4xc4 Rc8xc4 Rg2-f2 Rc4-g4 Rf2-f6 Rg4-g3+ Kb3-b2 Rg3-g5
Rf6xh6 Kf8-g7 Rh6-c6 Rg5xh5) -0.82/16 2} Re2 {(Re8-e2 b5-b6 Kf8-e7 Qb2-c1
Re2xc2 Qc1xc2 Qd3xc2+ Kb1xc2 f7-f5 Kc2-d3 Ke7-f6 Kd3-c3 Kf6-g5 Kc3-c2
Kg5-g4 Kc2-d1 Kg4xh5 Kd1-d2 f5-f4 Kd2-e2 Kh5-g4 Ke2-f2 Kg4-f5 Kf2-e2 Kf5-g5
Ke2-f3 h6-h5 Kf3-e4 Kg5-g4 Ke4-d5 Kg4-g3 Kd5-d6 f4-f3 Kd6-c7) +10.50/28 5}
44. Qc3 {(Qb2-c3 Qd3xc2+ Qc3xc2 Re2xc2 Kb1xc2 Kf8-g7 Kc2-c3 f7-f5 Kc3-c4
Kg7-f6 Kc4-c5 f5-f4 Kc5-c4 Kf6-g5 Kc4-d3 Kg5xh5 Kd3-e2 Kh5-g4 b5-b6 h6-h5
Ke2-f2 h5-h4 Kf2-f1 Kg4-g3 Kf1-e1 f4-f3 Ke1-d1 h4-h3) -10.93/22 4} Qxc2+
{(Qd3xc2+ Qc3xc2 Re2xc2 Kb1xc2 Kf8-e7 Kc2-d3 Ke7-f6 Kd3-e4 Kf6-g5 b5-b6
f7-f5+ Ke4-e3 Kg5-g4 Ke3-f2 f5-f4 Kf2-g2 Kg4xh5 Kg2-h3 Kh5-g5 b4-b5 h6-h5
Kh3-g2 h5-h4 Kg2-f2 h4-h3 Kf2-f3 Kg5-f5 Kf3-f2 Kf5-f6 Kf2-e2 h3-h2 Ke2-d2
h2-h1Q Kd2-e2 Kf6-f5 Ke2-d3 Qh1-e4+ Kd3-c3 f4-f3) +13.93/30 4} 45. Qxc2
{(Qc3xc2 Re2xc2 Kb1xc2 Kf8-g7 Kc2-d3 Kg7-f6 Kd3-e3 Kf6-g5 Ke3-d4 Kg5xh5
Kd4-c5 f7-f5 Kc5-b6 f5-f4 Kb6xb7 f4-f3 b5-b6 f3-f2 Kb7-c6 f2-f1Q Kc6-b7
Kh5-g5 Kb7-a7 h6-h5 b6-b7 Qf1-b5 b7-b8R Qb5-a4+ Ka7-b6 Qa4xb4+ Kb6-a7
Qb4xb8+ Ka7xb8 h5-h4 Kb8-a8 h4-h3 Ka8-b7 h3-h2 Kb7-c7 h2-h1Q Kc7-b6 Kg5-f4
Kb6-c5 Kf4-g4 Kc5-b6 Kg4-g3 Kb6-c5 Kg3-f4 Kc5-c4 Kf4-g4) -132.84/31 10}
Rxc2 {(Re2xc2 b5-b6 Rc2-c6 Kb1-a1 Rc6xb6 Ka1-b2 Rb6-b5 Kb2-c1 Rb5xb4 Kc1-c2
Rb4-b2+ Kc2-d1 Rb2-b5 Kd1-e2 Rb5xh5 Ke2-d1 Rh5-b5 Kd1-d2 h6-h5 Kd2-e2
Rb5-e5+ Ke2-f1 Re5-f5+ Kf1-e1 h5-h4 Ke1-e2 h4-h3 Ke2-d3 Rf5-d5+ Kd3-c4
h3-h2 Kc4xd5 h2-h1Q+ Kd5-d4 f7-f6 Kd4-e3 Qh1-c1+ Ke3-f2 Qc1-f4+ Kf2-e2
b7-b6 Ke2-e1 Qf4-b4+ Ke1-d1 f6-f5 Kd1-c2 b6-b5 Kc2-d3) +30.17/30 4} 46.
Kxc2 {(Kb1xc2 Kf8-g7 Kc2-d3 Kg7-f6 Kd3-e2 Kf6-g5 Ke2-f3 f7-f6 Kf3-g3 f6-f5
b5-b6 Kg5xh5 Kg3-f4 Kh5-g6 Kf4-e5 Kg6-g5 Ke5-d6 f5-f4 Kd6-c7 f4-f3 Kc7xb7
f3-f2 Kb7-c7 f2-f1Q b6-b7 Qf1-c4+ Kc7-d6 Qc4xb4+ Kd6-c7 Qb4-c5+ Kc7-d7
Qc5-b6 b7-b8Q Qb6xb8 Kd7-c6) -138.49/28 8 Arena Adjudication} 0-1
[/pgn]
Thanks again for testing, this looks very promising. If you were able to see some of the games, you'll see that Clover's big weakness is king safety and time management (very similar to Vice, from older versions). Next release will try to improve at least king safety 
