@Dr_King_Schultz A0 is not available obviously so I ran it with LC0. My laptop does not have huge GPU so you have about 3 million simulation has to be enough. Early phases of simulation give win probability of about 50% but then drop to around 30%. Interestin the second choice if giving away bishop to open up the deadlock
HALTED Nodes: 3.9M, N/s: 11.4k, Time: 5m 39s
28.5% b4 O-O-O b5 Na5 Qd4 Qxb5 Qxa7 b6 Ne2 Nc6 Nd4 Nxa7 Nxb5 Nxb5 a4 Na7 a5 b5 g3 Kb7 a6+ Kb6 f4 c5 h4 h5 Bg2 Ne7 O-O Nec6 f5 gxf5 exf5 Bf7 f6 Ne5 Rf5 Re8 Be4 Bh6 Kg2 Nc8 Rf1 Nd6 a7 Nxe4 a8=Q Rxa8 Rxa8 Bxd2 Bxd2 Nxd2 (N: 2.9M, P: 11.05%)
27.6% Be2 Bd6 Bg4 O-O-O h3 Nh6 Qf6 Nxg4 hxg4 Rf8 Qh4 Bxg4 Qxh7 Qe6 Qg7 Qe8 O-O Qd8 e5 Nxe5 Re1 Be2 Nxe2 Qh4 Ng3 Ng4 (N: 219k, P: 2.62%)
27.5% Bxd3 Qxd3 Qxh7 Ne5 f4 O-O-O Qh4 Nc4 f5 gxf5 exf5 Re8 Qd4 Bxf5+ Kf2 Nh6 Rf1 Qxd4+ cxd4 Bd3 Re1 Ng4+ Kf3 Rxe1 Kxg4 Kd7 b3 Nb6 (N: 179k, P: 4.88%)
26.8% f3 O-O-O b4 Qf7 b5 Na5 e5 Nc4 Ne4 Bf5 Ng3 Bc5 Kd1 Be6 Ne4 Be7 h4 h6 h5 (N: 77.4k, P: 9%)
26.4% b3 Bd6 Nf5 gxf5 exf5 Bd5 Bxd3 O-O-O f6 Qe6+ Kd1 Nxf6 Qg7 Rg8 Qh6 Rxg2 Re1 Qf7 Kc2 Ng4 Qxh7 Qxh7 (N: 71.2k, P: 10.62%)
27.1% a4 O-O-O b4 Qf7 b5 Na5 f3 Nb3 Rb1 Bc4 e5 Re8 Ne4 Bg7 Qxh7 Rxe5 Qh3+ Kb8 Ba3 Nf6 (N: 60.4k, P: 4.3%)
27.5% Ne2 Bd6 f4 O-O-O g3 Bc5 f5 dxe2 Bxe2 gxf5 d3 fxe4 d4 Nxd4 cxd4 Bxd4 Bg5 Bxh8 Rd1 Qxd1+ Bxd1 (N: 59.7k, P: 1.87%)
25.9% f4 O-O-O b4 Qf7 Bxd3 Rxd3 O-O Be7 e5 a5 a3 Kb8 Ne4 Bc4 Ng5 Bxg5 fxg5 Qe7 Rf4 Be6 h4 Qd7 (N: 53.2k, P: 10.43%)
27.0% Rb1 O-O-O b4 Qf7 b5 Na5 f3 Nc4 e5 Qf4 Ne4 Nxe5 Kf2 Be7 Kg1 Bd5 (N: 44.1k, P: 3.81%)
26.4% e5 O-O-O b3 Nh6 Qf6 Ng4 Qf4 Bc5 Ne4 Rf8 Qg3 Bxf2+ Nxf2 Nxf2 Rg1 Rf5 Ba3 b6 Bb2 Nxe5 c4 Neg4 h3 Qe7 hxg4 Nxg4 (N: 33.8k, P: 5.15%)
25.5% h4 O-O-O h5 h6 f4 Qf7 f5 gxf5 exf5 Bxa2 b4 Bd6 Rh3 Be5 Ne4 Bxh8 Ng3 Bf6 Rxa2 Qxa2 (N: 31.5k, P: 7.24%)
26.4% h3 O-O-O b4 Qf7 Bxd3 Rxd3 O-O Nf6 Re1 Ne5 Re3 Bc4 f4 Ned7 e5 Nd5 Rxd3 (N: 26.3k, P: 3.89%)
25.5% a3 O-O-O b4 Qf7 Bb2 Bc4 a4 Nf6 f3 Ne5 f4 Neg4 e5 Nd5 h3 Qxf4 (N: 16.6k, P: 3.73%)
25.0% Rg1 O-O-O b4 Qf7 f3 Nf6 a4 Ne5 Nh1 g5 Nf2 g4 f4 Ng6 Qxf6 (N: 12.5k, P: 3.27%)
24.0% c4 O-O-O Rb1 Nb4 b3 Bg7 Qxh7 Nf6 Qxg6 Nc2+ Kd1 Ng4 Bb2 Nxf2+ Kc1 Bxb2+ Rxb2 Nxh1 Nxh1 Rf8 Ng3 Rf2 Rxc2 (N: 8.3k, P: 2.85%)
22.6% Kd1 O-O-O b4 Nxb4 cxb4 Bg7 Qxh7 Qa4+ Ke1 Bxa1 Qxg6 Qxa2 f3 Ne7 Qg5 Nc6 Kf2 Bd4+ Ke1 Nxb4 (N: 6.4k, P: 2.83%)
11.6% Nf5 gxf5 exf5 Bf7 Qxh7 Qe7+ Kd1 O-O-O Qh3 Ne5 b3 Nf6 Bb2 Neg4 (N: 1.4k, P: 1.79%)
5.8% Qxg8 Bxg8 Bxd3 Qxd3 Nh5 gxh5 f3 Qa6 a3 Qd3 (N: 1.2k, P: 2.07%)
5.7% Qd4 Nxd4 cxd4 Qxd4 a3 O-O-O b3 Qxa1 f3 Qxc1+ (N: 1.2k, P: 2.06%)
11.4% Nh5 gxh5 b4 O-O-O b5 Na5 Qd4 Qxb5 Qxa7 Nc6 Qa8+ Kd7 a4 Qc4 (N: 1.2k, P: 1.54%)
5.8% Qe5 Nxe5 Rg1 Qb5 a3 Qb3 Ra2 Qxa2 b3 Qb1 (N: 878, P: 1.5%)
6.2% Qxh7 Qxh7 Bxd3 Bh6 Ke2 O-O-O a3 Qd7 Ra2 Qxd3+ Kd1 Bxa2 (N: 739, P: 1.24%)
5.1% Qf6 Nxf6 h4 Nd8 Rh2 Nc6 a3 Na5 Ra2 Bxa2 (N: 701, P: 1.24%)
4.4% Qg7 Bxg7 Rg1 Na5 a3 Nb3 Ra2 Qa4 f3 Nc5 (N: 562, P: 1.02%)
HALTED Nodes: 3.9M, N/s: 11.4k, Time: 5m 39s
28.5% b4 O-O-O b5 Na5 Qd4 Qxb5 Qxa7 b6 Ne2 Nc6 Nd4 Nxa7 Nxb5 Nxb5 a4 Na7 a5 b5 g3 Kb7 a6+ Kb6 f4 c5 h4 h5 Bg2 Ne7 O-O Nec6 f5 gxf5 exf5 Bf7 f6 Ne5 Rf5 Re8 Be4 Bh6 Kg2 Nc8 Rf1 Nd6 a7 Nxe4 a8=Q Rxa8 Rxa8 Bxd2 Bxd2 Nxd2 (N: 2.9M, P: 11.05%)
27.6% Be2 Bd6 Bg4 O-O-O h3 Nh6 Qf6 Nxg4 hxg4 Rf8 Qh4 Bxg4 Qxh7 Qe6 Qg7 Qe8 O-O Qd8 e5 Nxe5 Re1 Be2 Nxe2 Qh4 Ng3 Ng4 (N: 219k, P: 2.62%)
27.5% Bxd3 Qxd3 Qxh7 Ne5 f4 O-O-O Qh4 Nc4 f5 gxf5 exf5 Re8 Qd4 Bxf5+ Kf2 Nh6 Rf1 Qxd4+ cxd4 Bd3 Re1 Ng4+ Kf3 Rxe1 Kxg4 Kd7 b3 Nb6 (N: 179k, P: 4.88%)
26.8% f3 O-O-O b4 Qf7 b5 Na5 e5 Nc4 Ne4 Bf5 Ng3 Bc5 Kd1 Be6 Ne4 Be7 h4 h6 h5 (N: 77.4k, P: 9%)
26.4% b3 Bd6 Nf5 gxf5 exf5 Bd5 Bxd3 O-O-O f6 Qe6+ Kd1 Nxf6 Qg7 Rg8 Qh6 Rxg2 Re1 Qf7 Kc2 Ng4 Qxh7 Qxh7 (N: 71.2k, P: 10.62%)
27.1% a4 O-O-O b4 Qf7 b5 Na5 f3 Nb3 Rb1 Bc4 e5 Re8 Ne4 Bg7 Qxh7 Rxe5 Qh3+ Kb8 Ba3 Nf6 (N: 60.4k, P: 4.3%)
27.5% Ne2 Bd6 f4 O-O-O g3 Bc5 f5 dxe2 Bxe2 gxf5 d3 fxe4 d4 Nxd4 cxd4 Bxd4 Bg5 Bxh8 Rd1 Qxd1+ Bxd1 (N: 59.7k, P: 1.87%)
25.9% f4 O-O-O b4 Qf7 Bxd3 Rxd3 O-O Be7 e5 a5 a3 Kb8 Ne4 Bc4 Ng5 Bxg5 fxg5 Qe7 Rf4 Be6 h4 Qd7 (N: 53.2k, P: 10.43%)
27.0% Rb1 O-O-O b4 Qf7 b5 Na5 f3 Nc4 e5 Qf4 Ne4 Nxe5 Kf2 Be7 Kg1 Bd5 (N: 44.1k, P: 3.81%)
26.4% e5 O-O-O b3 Nh6 Qf6 Ng4 Qf4 Bc5 Ne4 Rf8 Qg3 Bxf2+ Nxf2 Nxf2 Rg1 Rf5 Ba3 b6 Bb2 Nxe5 c4 Neg4 h3 Qe7 hxg4 Nxg4 (N: 33.8k, P: 5.15%)
25.5% h4 O-O-O h5 h6 f4 Qf7 f5 gxf5 exf5 Bxa2 b4 Bd6 Rh3 Be5 Ne4 Bxh8 Ng3 Bf6 Rxa2 Qxa2 (N: 31.5k, P: 7.24%)
26.4% h3 O-O-O b4 Qf7 Bxd3 Rxd3 O-O Nf6 Re1 Ne5 Re3 Bc4 f4 Ned7 e5 Nd5 Rxd3 (N: 26.3k, P: 3.89%)
25.5% a3 O-O-O b4 Qf7 Bb2 Bc4 a4 Nf6 f3 Ne5 f4 Neg4 e5 Nd5 h3 Qxf4 (N: 16.6k, P: 3.73%)
25.0% Rg1 O-O-O b4 Qf7 f3 Nf6 a4 Ne5 Nh1 g5 Nf2 g4 f4 Ng6 Qxf6 (N: 12.5k, P: 3.27%)
24.0% c4 O-O-O Rb1 Nb4 b3 Bg7 Qxh7 Nf6 Qxg6 Nc2+ Kd1 Ng4 Bb2 Nxf2+ Kc1 Bxb2+ Rxb2 Nxh1 Nxh1 Rf8 Ng3 Rf2 Rxc2 (N: 8.3k, P: 2.85%)
22.6% Kd1 O-O-O b4 Nxb4 cxb4 Bg7 Qxh7 Qa4+ Ke1 Bxa1 Qxg6 Qxa2 f3 Ne7 Qg5 Nc6 Kf2 Bd4+ Ke1 Nxb4 (N: 6.4k, P: 2.83%)
11.6% Nf5 gxf5 exf5 Bf7 Qxh7 Qe7+ Kd1 O-O-O Qh3 Ne5 b3 Nf6 Bb2 Neg4 (N: 1.4k, P: 1.79%)
5.8% Qxg8 Bxg8 Bxd3 Qxd3 Nh5 gxh5 f3 Qa6 a3 Qd3 (N: 1.2k, P: 2.07%)
5.7% Qd4 Nxd4 cxd4 Qxd4 a3 O-O-O b3 Qxa1 f3 Qxc1+ (N: 1.2k, P: 2.06%)
11.4% Nh5 gxh5 b4 O-O-O b5 Na5 Qd4 Qxb5 Qxa7 Nc6 Qa8+ Kd7 a4 Qc4 (N: 1.2k, P: 1.54%)
5.8% Qe5 Nxe5 Rg1 Qb5 a3 Qb3 Ra2 Qxa2 b3 Qb1 (N: 878, P: 1.5%)
6.2% Qxh7 Qxh7 Bxd3 Bh6 Ke2 O-O-O a3 Qd7 Ra2 Qxd3+ Kd1 Bxa2 (N: 739, P: 1.24%)
5.1% Qf6 Nxf6 h4 Nd8 Rh2 Nc6 a3 Na5 Ra2 Bxa2 (N: 701, P: 1.24%)
4.4% Qg7 Bxg7 Rg1 Na5 a3 Nb3 Ra2 Qa4 f3 Nc5 (N: 562, P: 1.02%)