MESON Chess Problem Database
Problem Display
PID: 177856 (4kq2/p3rn1n/2P2BR1/7B/1Q6/K2R4/8/8 w - - 0 1)
Shedey, Sergey Oleksandrovich
Sahs (Latvia), 1983
#2
7 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qh6
- 2.Qxe7#
- 1...Qg7
- 2.Qxe7#
- 1...Qg8
- 2.Qxe7#
- 1...Qh8
- 2.Qxe7#
- 1...Rd7
- 2.cxd7#
- 1...Qh6
- Tries
- 1.Rd8+?
- 1...Kxd8
- 2.Qb8#
- 1...Sxd8!
- 1...Kxd8
- 1.Rg1?
- threat
- 2.Qb8#
- 1...Re1
- 2.Rd8#
- 1...Re2
- 2.Rd8#
- 1...Re4
- 2.Rd8#
- 1...Re5
- 2.Rd8#
- 1...Re6
- 2.Rd8#
- 1...Rb7
- 2.Rd8#
- 1...Rc7
- 2.Rd8#
- 1...Rd7
- 2.cxd7#
- 1...Re3!
- threat
- 1.Rg2?
- threat
- 2.Qb8#
- 1...Re1
- 2.Rd8#
- 1...Re2
- 2.Rd8#
- 1...Re4
- 2.Rd8#
- 1...Re5
- 2.Rd8#
- 1...Re6
- 2.Rd8#
- 1...Rb7
- 2.Rd8#
- 1...Rc7
- 2.Rd8#
- 1...Rd7
- 2.cxd7#
- 1...Re3!
- threat
- 1.Rgg3?
- threat
- 2.Qb8#
- 1...Re1
- 2.Rd8#
- 1...Re2
- 2.Rd8#
- 1...Re4
- 2.Rd8#
- 1...Re5
- 2.Rd8#
- 1...Re6
- 2.Rd8#
- 1...Rb7
- 2.Rd8#
- 1...Rc7
- 2.Rd8#
- 1...Rd7
- 2.cxd7#
- 1...Re3!
- threat
- 1.Rg4?
- threat
- 2.Qb8#
- 1...Re1
- 2.Rd8#
- 1...Re2
- 2.Rd8#
- 1...Re4
- 2.Rd8#
- 1...Re5
- 2.Rd8#
- 1...Re6
- 2.Rd8#
- 1...Rb7
- 2.Rd8#
- 1...Rc7
- 2.Rd8#
- 1...Rd7
- 2.cxd7#
- 1...Re3!
- threat
- 1.Rg5?
- threat
- 2.Qb8#
- 1...Re1
- 2.Rd8#
- 1...Re2
- 2.Rd8#
- 1...Re4
- 2.Rd8#
- 1...Re5
- 2.Rd8#
- 1...Re6
- 2.Rd8#
- 1...Rb7
- 2.Rd8#
- 1...Rc7
- 2.Rd8#
- 1...Rd7
- 2.cxd7#
- 1...Re3!
- threat
- 1.Rh6?
- threat
- 2.Qb8#
- 1...Re1
- 2.Rd8#
- 1...Re2
- 2.Rd8#
- 1...Re4
- 2.Rd8#
- 1...Re5
- 2.Rd8#
- 1...Re6
- 2.Rd8#
- 1...Rb7
- 2.Rd8#
- 1...Rc7
- 2.Rd8#
- 1...Rd7
- 2.cxd7#
- 1...Re3!
- threat
- 1.Rg7?
- threat
- 2.Qb8#
- 1...Re1
- 2.Rd8#
- 1...Re2
- 2.Rd8#
- 1...Re4
- 2.Rd8#
- 1...Re5
- 2.Rd8#
- 1...Re6
- 2.Rd8#
- 1...Rb7
- 2.Rd8#
- 1...Rc7
- 2.Rd8#
- 1...Rd7
- 2.cxd7#
- 1...Re3!
- threat
- 1.Rd8+?
- Keys
- 1.Rg8!
- threat
- 2.Qxe7#
- 2.Qb8#
- 1...Sxf6
- 2.Qb8#
- 1...Re3
- 2.Rxe3#
- 1...Re1
- 2.Rd8#
- 1...Re2
- 2.Rd8#
- 1...Re4
- 2.Rd8#
- 1...Re5
- 2.Rd8#
- 1...Re6
- 2.Rd8#
- 1...Rb7
- 2.Rd8#
- 1...Rc7
- 2.Rd8#
- 1...Rd7
- 2.cxd7#
- threat
- 1.Rg8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 4
- Sets
- Q(f);N_GUARD::QAR1(C),XR(b)
- R(b);OGATE,P_PINQ(C)::P(E),XR(b)
- Tries
- Try
- R(B);CHECK
- Vars
- K(e);P-FLIGHT,P_SPINR(b),XR(B)::QAR2(C)
- Refutation
- S(c);XR(B)
- Try
- R(G);P_PINS(c)
- Threat
- QAR(C)
- Vars
- R(b);P_PINQ(C)::R1(B)
- R(b);OGATE,P_PINQ(C)::P(E),XR(b)
- Refutation
- R(b);P_PINQ(C),P_PINR(B)
- Try
- R(G);P_PINS(c)
- Threat
- QAR(C)
- Vars
- R(b);P_PINQ(C)::R1(B)
- R(b);OGATE,P_PINQ(C)::P(E),XR(b)
- Refutation
- R(b);P_PINQ(C),P_PINR(B)
- Try
- R(G);P_PINS(c)
- Threat
- QAR(C)
- Vars
- R(b);P_PINQ(C)::R1(B)
- R(b);OGATE,P_PINQ(C)::P(E),XR(b)
- Refutation
- R(b);P_PINQ(C),P_PINR(B)
- Try
- R(G);P_PINS(c)
- Threat
- QAR(C)
- Vars
- R(b);P_PINQ(C)::R1(B)
- R(b);OGATE,P_PINQ(C)::P(E),XR(b)
- Refutation
- R(b);P_PINQ(C),P_PINR(B)
- Try
- R(G);P_PINS(c)
- Threat
- QAR(C)
- Vars
- R(b);P_PINQ(C)::R1(B)
- R(b);OGATE,P_PINQ(C)::P(E),XR(b)
- Refutation
- R(b);P_PINQ(C),P_PINR(B)
- Try
- R(G);P_PINS(c)
- Threat
- QAR(C)
- Vars
- R(b);P_PINQ(C)::R1(B)
- R(b);OGATE,P_PINQ(C)::P(E),XR(b)
- Refutation
- R(b);P_PINQ(C),P_PINR(B)
- Try
- R(G);P_PINS(c)
- Threat
- QAR(C)
- Vars
- R(b);P_PINQ(C)::R1(B)
- R(b);OGATE,P_PINQ(C)::P(E),XR(b)
- Refutation
- R(b);P_PINQ(C),P_PINR(B)
- Try
- Actual
- R(G);P_PINQ(f),P_PINS(c)
- Threat
- DUALS(2)
- Vars
- S(d);XB(F)::QAR(C)
- R(b);OGATEB,P_PINQ(C),P_PINR(B)::R(B),XR(b)
- R(b);P_PINQ(C)::R1(B)
- R(b);OGATE,P_PINQ(C)::P(E),XR(b)
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