MESON Chess Problem Database
Problem Display
PID: 77403 (8/2p5/k1K5/8/2R5/2Q5/r7/8 w - - 0 1)
B, Father
Davey, David Murray
The Tablet, 1951
(First published on Sat Oct 13 1951)
#2
3 + 3
| 5454 | Near Snap | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qxa1#
- 1...Rb2
- 2.Ra4#
- 2.Qa3#
- 1...Rc2
- 2.Ra4#
- 2.Qa3#
- 1...Rd2
- 2.Ra4#
- 2.Qa3#
- 1...Re2
- 2.Ra4#
- 2.Qa3#
- 1...Rf2
- 2.Ra4#
- 2.Qa3#
- 1...Rg2
- 2.Ra4#
- 2.Qa3#
- 1...Rh2
- 2.Ra4#
- 2.Qa3#
- 1...Ra3
- 2.Qxa3#
- 1...Ra4
- 2.Rxa4#
- 1...Ra1
- Tries
- 1.Qb4?
- 1...Ka7
- 2.Qb7#
- 1...Ra5
- 2.Qb7#
- 1...Rb2
- 2.Qa3#
- 2.Qa4#
- 1...Rc2
- 2.Qa3#
- 2.Qa4#
- 1...Rd2
- 2.Qa3#
- 2.Qa4#
- 1...Re2
- 2.Qa3#
- 2.Qa4#
- 1...Rf2
- 2.Qa3#
- 2.Qa4#
- 1...Rg2
- 2.Qa3#
- 2.Qa4#
- 1...Rh2
- 2.Qa3#
- 2.Qa4#
- 1...Ra3
- 2.Qxa3#
- 1...Ra4
- 2.Qxa4#
- 1...Ra1!
- 1...Ka7
- 1.Qh8?
- threat
- 2.Qa8#
- 1...Ka5
- 2.Qa8#
- 1...Ka7!
- threat
- 1.Qb3?
- threat
- 2.Qxa2#
- 1...Ka5
- 2.Qxa2#
- 2.Qb5#
- 1...Ka7
- 2.Qb7#
- 1...Ra5
- 2.Qb7#
- 1...Rb2
- 2.Ra4#
- 2.Qa4#
- 2.Qa3#
- 1...Rc2
- 2.Qa4#
- 2.Qa3#
- 1...Rd2
- 2.Ra4#
- 2.Qa4#
- 2.Qa3#
- 1...Re2
- 2.Ra4#
- 2.Qa4#
- 2.Qa3#
- 1...Rf2
- 2.Ra4#
- 2.Qa4#
- 2.Qa3#
- 1...Rg2
- 2.Ra4#
- 2.Qa4#
- 2.Qa3#
- 1...Rh2
- 2.Ra4#
- 2.Qa4#
- 2.Qa3#
- 1...Ra3
- 2.Qxa3#
- 1...Ra4
- 2.Rxa4#
- 2.Qxa4#
- 1...Ra1!
- threat
- 1.Qb4?
- Keys
- 1.Qb2!
- threat
- 2.Qxa2#
- 1...Ka5
- 2.Qxa2#
- 2.Qb5#
- 1...Ka7
- 2.Qb7#
- 1...Rxb2
- 2.Ra4#
- 1...Ra5
- 2.Qb7#
- 1...Ra1
- 2.Qxa1#
- 1...Ra3
- 2.Qxa3#
- 1...Ra4
- 2.Rxa4#
- threat
- 1.Qb2!
This anticipates 38014(2000)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(a);OGATEB::QAR(A),XR(a)
- R(a);N_GUARD::QAR(A),XR(a)
- R(a);N_GUARD::R(B),XR(a)
- Tries
- Try
- Q(A);
- Vars
- K(b);P-FLIGHT::QAR1(A)
- R(a);SBLOCK::QAB1(A)
- R(a);N_GUARD::QAR(A),XR(a)
- R(a);N_GUARD::QAR2(A),XR(a)
- Refutation
- R(a);
- Try
- Q(A);
- Threat
- QAR2(A)
- Vars
- K(b);P-FLIGHT::QAR(A)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);
- Threat
- QAR(A),XR(a)
- Vars
- K(b);P-FLIGHT::QAR1(A)
- R(a);SBLOCK::QAB1(A)
- R(a);N_GUARD::QAR(A),XR(a)
- Refutation
- R(a);
- Try
- Actual
- Q(A);
- Threat
- QAR(A),XR(a)
- Vars
- K(b);P-FLIGHT::QAR1(A)
- R(a);N_GUARD,XQ(A)::R(B)
- R(a);SBLOCK::QAB1(A)
- R(a);OGATEB::QAR(A),XR(a)
- R(a);N_GUARD::QAR(A),XR(a)
- R(a);N_GUARD::R(B),XR(a)
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