1G69-581.P-262.P-341.P-762.P-343.Bx22+4.Sx225.P-266.P-847.P-258.G-329.P-2410.Px2411.Rx2412.P*2313.R-28Bishop Exchange strategy2P-343P-664P-445P-766R-427G-688K-629B-7710K-7211G-6712K-8213R-8814S-7215P-8616G41-5217P-8518B-3319P-8419.S-7820.S-3221.S-8722.S-4323.S-8624.S-5425.S-7526.P-4527.P-8428.Px8429.Sx8430.P*8331.S-7525.P-9626.P-9427.P-9528.Px9529.Sx9530.Lx9531.Lx9532.P*9333.P-8434.Px8435.Rx8436.P*8337.R-8620Px8421Rx8422P*8323R-8624S-3225G-5826S-4327K-4828S-5429K-3830P-4531S-4832P-4633Px4634Rx4635P*4736R-4237G-5938P*4639Px4640S-5541G-5842Sx4643P-3644P-6445G-5646S-5547Gx5548Bx5549L-1849.S*37Defense against the bishop diagonal50.P-3551.P*4752.Px3653.S-4654.B-2255.P*3756.P*4557.S-3558.Px37+59.Sx3750G*2851K-4952Gx2953S-4753.P*4654.Bx4655.P-6556.B-28+57.Bx11+58.N*4659.P*4360.Rx4360.Gx4361.+Bx21Gold can take but Rook's line of sight is blocked.61.L*44Rook is dead here54B-37+55S*3856+B-2857Sx2958+Bx2959G*3959.P*4460.Rx4461.G*3862.N*4663.Sx4664.Rx4665.P*4766.Rx3667.G58-4868.S*3969.N*3770.Sx48+71.Gx4860+Bx4761Gx4762Rx47+63G-4864S*5864.G*3865.K-5966.Gx4867.K-6968.+R-58A variation of the checkmate65K-3966S*3766.S*2867.Kx2868.+Rx4869.S*3870.G*3771.K-1972.G*28Another mate variation67Gx4768G*380-1 Black wins by checkmate.