THẾ SỐ 153 tiên thắng

Trắng đi trước : X-M-2C-2S-2T

Đen đi sau : X-P-2C-2S-2T

Cách giải

1) M5.4 Tg.1 2) M4/6 Tg-4 3) M6.8 Tg.1(1) 4) M8.7 Tg/1(2) 5) X2-6 Tg-5 6) X6.4 C4-3(3) 7) X6/5 Tg/1 8) M7/6 Tg.1(4) 9) M6/4 Tg-6 10)X6.4 Tg.1 11)M4.6 C3.112)S5/6 C3-4 13)Tg-6 X1-7 14)X6-4 Tg-5 15)M6.5 P1-3 16)T5/7 S6.5 17)M5/7 1-0

Chú giải

(1) nếu 3)……Tg-5 4)X2-5 T3.5 5)M8/6 Tg-4 6 (nếu 5)……Tg/1 6)X5-2 1-0) 6)X5-6 T5.7(nếu 6)……P1-3 7)T5.7 P3/4 8)M6/8 1-0) 7)M6.4 Tg-5 8)X6.3 Tg.1 9)M4/5 S6.5 10)M5.3 Tg-6 11)X6/4 1-0

(2) nếu 4)……Tg-5 5)X2-5 Tg-6 6)M7/8 C4-5 7)S4.5 X1-4 8)X5.1 S6.5 9)M8/6 S5.4 10)S5.4 Tg/1 11)T5.7 S4.5 12)X5-4 S5.6 13)X4.1 1-0

(3) nếu 6)……Tg-6 7)X6/1 S6.5(nếu 7)……Tg.1 8)M7/6 Tg-5 9)M6/5 S6.5 10)X6/2 1-0) 8)M7/6 Tg/1 9)X6-5 T7.5 10)X5/1 Tg.1 11)X5.2 Tg.1 12)M6/5 Tg/1 13)M5.3 1-0

(4) nếu 8)……Tg-4 9)M6/4 Tg-5 10)X6.4 S6.5 11)X6-5 Tg-4 12)M4.6 C3.1 13)S5/6 C3-4 14)Tg-6 X1-2 15)Tg-5 P1-2 16)M6.4 X2-6 17)T5.3 1-0

THẾ SỐ 152 hoà

Trắng đi trước : X-M-C

Đen đi sau : 2X-M-2C-1S

Cách giải

1) X7.3 S5.4 2) X7-6 Tg/1 3) X6.1 Tg.1(1) 4) X6/1 Tg/1 5) M5.4 Tg-6 6) C2-3 Tg/1 7) X6.2 X5/6 8) C3.1 Tg.1 9) M4.6! Tg-5(2) 10)X6-5 Tg-4

11)X5/8 X8-4 12)Tg-5(3) Tg.1! 13)X5.6 Tg/1 14)X5.1 Tg.1 15)C3-4(4) C9.1 16)C4-5 C9-8 17)C5-6 C8-7 18)C6-7 C7-6 19)X5.1 X4-5 20)X5/6 C6-5 0-0

Chú giải

(1) nếu 3)……Tg/1? 4)X6.1 Tg.1 5)M5.6! Tg.1 6)M6.7 Tg/1 7)X6/1 Tg/1 8)X6-4 1-0

(2) nếu a) 9)……X5.2? 10)X6-4 Tg-5 11)M6.7 1-0

b) 9)……Tg.1 10)M6.5 Tg-5 11)M5/3 1-0

(3) nếu 12)X5-6 X4.2 13)Tg.1 C9-8 0-0

(4) nếu 15)X5.1 Tg/1 16)C3-4 diễn biến vẫn như phần sau

THẾ SỐ 172 hoà

Trắng đi trước : X-P-M-1T

Đen đi sau : 2P-2M-3C-1T

Cách giải

1) X4-3 Ps-6 2) X3.1 Tg.1 3) P1.2 P6/1 4) X3/1 M4.6 5) X3-4 Tg/1 6) X4-8(1) Tg-4 7) P1.1 P6.1 8) X8.1 T1/3(2) 9) X8-7 Tg.1 10)P1/1 P6/1(3)

11)M4.2 P5/1 12)M2.4 P5/1 13)X7/1 Tg.1(4) 14)X7/1 Tg/1 15)M4/2 P5.1 16)M2/3 P5.2 17)M3.4 P5/2 18)M4/5 P5.1 19)M5/6 P5-4 20)X7-6 Tg.1 21)T9.7(5) C2-3 22)P1-7 Tg-5 23)M6.5 Tg-4 24)M5/6 0-0

Chú giải

(1) nếu 6)X4-6 P6.1 7)X6/4 P5-4 0-1

(2) nếu 8)……Tg.1 9)P1/1 P6/1 10)M4.2 P5/1 11)M2.4 P5/1 12)M4/2 P5.1 13)M2/3 P5.2 14)M3.4 P5/2 15)M4/5 P5.1 16)X8/1 Tg/1(nếu 16)……Tg.1 17)P1/1 P5/1 18)X8/1 1-0) 17)M5.7 Tg-5 18)X8.1 1-0

(3) nếu 10)……Tg.1 11)X7/2 P5-3 12)P1/1 1-0

(4) nếu 13)……Tg/1 14)M4/5 P5.1 15)X7.1 1-0

(5) nếu 21)P1/3 C4-5 22)P1-7(nếu 22)Tg.1 C2-3 23)P1/4 C6-5 24)P1.1 C3.1 0-1) ……C2-3 23)P7-8 C5.1 24)P8/5 C3.1 0-1