THẾ SỐ 182 tiên thắng

Trắng đi trước : X-P-M-2S-2T

Đen đi sau : X-P-M-2C-2S-1T

Cách giải

1) T5.7 C3.1(1) 2) M5.6 C3-4(2) 3) M6.5 X1-3(3) 4) X3.2 P8-5 5) Tg-4 X3/3 6) X3-6 S5.4 7) X6-9 đen có các phương án

a) 7)……Tg-5 8)M5.3 1-0

b) 7)……S4/5 8)P2/2 S5.6( nếu 8)……X3-5 9)X9.2 Tg/1 10)P2.2 1-0) 9)X9.2 Tg.1 10)M5.4 S6/5 11)X9-6 1-0

Chú giải

(1) đen còn các phương án sau :

a) 1)……X1.4 2)M5.6 X1-3 3)S5/6 T5/7 4)X3/1 M3.2 5)X3-2 M2/4 6)Tg.1 X3/4 7)X2-6 X3-5 8)Tg-6 S5.4 9)X6/1 1-0

b) 1)……T5/7 2)X3-6 S5.4 3)M5.6 C3.1(nếu 3)……X1-3 4)X6/1 P2/5 5)M6/7 1-0) 4)X6/1 P8/5 5)M6.8 X1.4 6)M8.6 Tg-5 7)M6/4 Tg/1 8)X6-5 Tg-4 9)S5/6 X1-3 10)X5.6 Tg.1 11)X5-4 T7.5 12)X4/1 Tg/1 13)X4-2 1-0

c) 1)……P8/5 2)X3.4 P8.1 3)M5.6 C3.1 4)X3/1 P8/1 5)M6.5 Tg.1 6)M5/3 Tg/1 7)M3/5 S5.6 8)M5.7 Tg-5 9)X3.1 1-0

(2) nếu 2)……X1.4 3)M6.5 X1-3 4)S5/6 P8-5 5)M5/7 Tg.1 6)X3.3 P5/4 7)X3-5 1-0

(3) nếu 3)……M3/2 4)P2/1 Tg.1(nếu 4)……Tg/1 5)X3-4 P8-5 6)Tg-4 C4.1 7)X4.5 1-0) 5)X3.3 P8-5 6)Tg-4 M2/4 7)M5/6 S5.4 8)M6.8 Tg/1 9)M8/9 1-0

THẾ SỐ 181 hoà

Trắng đi trước : 2X-M-3C-1T

Đen đi sau : X-2C-2S-2T

Cách giải

1) X1.6 T5/7 2) X1-3 S5/6 3) M3.4 Tg.1 4) M4/6 Tg-4 5) M6.8(1) Tg-5(2) 6) X2-5 T3.5 7) M8/6 Tg-6 8) X3/1 S4.5(3) 9) M6.8 Tg/1 10)X5-6 Tg-5

11)X6/4 X2.3 12)X6/1 X2/1 13)Tg-4(4) X2-8(5) 14)M8.9 X8.1 15)Tg.1 X8-4 16)M9/7 X4/8 17)T9.7 X4-3(6) 18)T7/5 X3.5 19)C9.1 X3-1 20)X3/4 T5.3 0-0

Chú giải

(1) nếu 5)X3/1 S4.5 6)M6.8 Tg/1 7)X2-6 Tg-5 8)X6/4 X2.3 9)X6/1 X2/1 10)Tg-4 X2/6 11)X6.1 X2-8 12)X6-1 X8.7 13)Tg.1 S5.6 0-1

(2) nếu 5)……X2/4 6)X3/1 S4.5 7)X2-6 X2-4 8)X6.2 Tg.1 9)X3/2 1-0

(3) nếu 8)……Tg.1 9)X5.2 Tg-5 10)X3/1 1-0

(4) nếu 13)X3-4 X2-8 0-1

(5) nếu 13)……C5.1 14)X3-4 X2/6 0-0

(6) nếu 17)……C5-4 18)M7/8 1-0

THẾ SỐ 180 tiên thắng

Trắng đi trước : X-2P-M

Đen đi sau : 2X-2P-2M-5C-2S-2T

Cách giải

1) P9-5 C4-5 2) Pt-4 Cs-4 3) M6/5 C4-5 4) M5.7 Cs-4 5) P4-5 C4-56) Pt-6 Cs-4 7) M7/5 C4-5 8) M5.4 Cs-4 9) P6-5 C4-5 10)Pt-3 Cs-4 11)M4/5 C4-5 12)M5.7 Cs-4 13)P3-5 C4-5 14)Pt-6 Cs-4 15)M7/5 C4-5 16)M5.4 Cs-4 17)P6-5 C4-5 18)P5-2 Cs-4 19)M4/5 C4-5 20)M5.7 Cs-4 21)P2-5 C4-5 22)Pt-6 Cs-4 23)M7/5 C4-5 24)M5.4 Cs-4 25)P6-5 C4-5 26)P5-1 Cs-4 27)M4/5 C4-5 28)M5.7(1) Cs-4 29)M7.5 C4-5 30)M5/4 Cs-4 31)P1-5 C4-5 32)M4.3 Tg/1 33)X1.6 X6.1(2) 34)X1-4 Tg/1 35)M3.5 S6/5 36)M5.3

a) 36)……S5.6 37)X4/1 Tg.1(nếu 37)……Tg-4 38)Ps-6 C5-4 39)P5-6 P1-4 40)P6.4 S4/5 41)X4-6 1-0) 38)M3/5 P1-5 39)P5.4 Tg-4 40)X4.1 1-0

b) 36)……Tg-4 37)Ps-6 Cs-4 38)P5-6 P1-4 39)P6.4 Tg-5 40)X4/1 1-0

c) 36)……S5/4 37)X4/1 Tg.1 38)M3/5 P1-5 39)P5.4 Tg-4 40)X4.1 1-0

Chú giải

(1) nếu 28)M5.6 Cs-4 29)P1-5 C4-5 30)P5-8?? Cs-4 31)M6/5 C4-5 32)M5.7 Cs-4 33)M7.5 C4-5 34)M5/6 Cs-4 35)P8-5 C4-5 36)M6.7 Tg/1 37)X1.6 X6.1 38)Pt-4 Cs-4 39)X1-4 Tg/1 0-1

(2) nếu 33)……Tg/1 34)M3.5 P1-5 35)P5.4 S6/5 36)M5.3 Tg-4 37)P5-6 1-0