MESON Chess Problem Database
Problem Display
PID: 265333 (rrn5/8/8/8/8/8/pR4Q1/k1B4K w - - 0 1)
Emmerson, Stephen
Rice, John Michael
The Problemist, 1994
#2
4 + 5
SOLUTION
- SOUND
- Sets
- 1...Rxb2
- 2.Qxb2#
- 1...Rxb2
- Tries
- 1.Rxa2+?
- 1...Kb1
- 2.Qc2#
- 1...Rxa2!
- 1...Kb1
- 1.Rb3?
- threat
- 2.Qb2#
- 2.Qg7#
- 1...Ra4
- 2.Qb2#
- 1...Ra5
- 2.Qb2#
- 1...Ra6
- 2.Qb2#
- 1...Ra7
- 2.Qb2#
- 1...Rb4
- 2.Qb2#
- 1...Rb5
- 2.Qb2#
- 1...Rb6
- 2.Qb2#
- 1...Rb7
- 2.Qb2#
- 1...Rxb3!
- threat
- 1.Rb4?
- threat
- 2.Qb2#
- 2.Qg7#
- 1...Ra3
- 2.Qb2#
- 1...Ra5
- 2.Qb2#
- 1...Ra6
- 2.Qb2#
- 1...Ra7
- 2.Qb2#
- 1...Rb5
- 2.Qb2#
- 1...Rb6
- 2.Qb2#
- 1...Rb7
- 2.Qb2#
- 1...Rxb4!
- threat
- 1.Rb5?
- threat
- 2.Qb2#
- 2.Qg7#
- 1...Ra3
- 2.Qb2#
- 1...Ra4
- 2.Qb2#
- 1...Ra6
- 2.Qb2#
- 1...Ra7
- 2.Qb2#
- 1...Rb6
- 2.Qb2#
- 1...Rb7
- 2.Qb2#
- 1...Rxb5!
- threat
- 1.Rb6?
- threat
- 2.Qb2#
- 2.Qg7#
- 1...Sxb6
- 2.Qb2#
- 1...Ra3
- 2.Qb2#
- 1...Ra4
- 2.Qb2#
- 1...Ra5
- 2.Qb2#
- 1...Ra7
- 2.Qb2#
- 1...Rb7
- 2.Qb2#
- 1...Rxb6!
- threat
- 1.Rb7?
- threat
- 2.Qb2#
- 2.Qg7#
- 1...Sb6
- 2.Qb2#
- 1...Ra3
- 2.Qb2#
- 1...Ra4
- 2.Qb2#
- 1...Ra5
- 2.Qb2#
- 1...Ra6
- 2.Qb2#
- 1...Rxb7!
- threat
- 1.Rxb8?
- threat
- 2.Qb2#
- 2.Qg7#
- 1...Sb6
- 2.Qb2#
- 1...Ra3
- 2.Qb2#
- 1...Ra4
- 2.Qb2#
- 1...Ra5
- 2.Qb2#
- 1...Ra6
- 2.Qb2#
- 1...Ra7
- 2.Qb2#
- 1...Rxb8!
- threat
- 1.Rxa2+?
- Keys
- 1.Qg7!
- threat
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rb6#
- 2.Rb7#
- 2.Rxb8#
- 1...Rxb2
- 2.Qxb2#
- 1...Ra3
- 2.Rb3#
- 1...Ra4
- 2.Rb4#
- 1...Ra5
- 2.Rb5#
- 1...Ra6
- 2.Rb6#
- 1...Ra7
- 2.Rb7#
- 1...Rb3
- 2.Rxb3#
- 1...Rb4
- 2.Rxb4#
- 1...Rb5
- 2.Rxb5#
- 1...Rb6
- 2.Rxb6#
- 1...Rb7
- 2.Rxb7#
- 1...Sb6
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rxb6#
- threat
- 1.Qg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 0
- Sets
- R(d);OGATE,XR(C)::QAB1(D),XR(d)
- Tries
- Try
- R(C);CHECK,XP(b)
- Vars
- K(a);P-FLIGHT,S_CUTR(c)::QAB1(D)
- Refutation
- R(c);XR(C)
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- R(c);::QAB1(D)
- R(d);::QAB1(D)
- Refutation
- R(d);XR(C)
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- R(c);::QAB1(D)
- R(d);::QAB1(D)
- Refutation
- R(d);XR(C)
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- R(c);::QAB1(D)
- R(d);::QAB1(D)
- Refutation
- R(d);XR(C)
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- S(e);XR(C)::QAB1(D)
- R(c);::QAB1(D)
- R(d);::QAB1(D)
- Refutation
- R(d);XR(C)
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- S(e);::QAB1(D)
- R(c);::QAB1(D)
- Refutation
- R(d);XR(C)
- Try
- R(C);XR(d)
- Threat
- DUALS(2)
- Vars
- S(e);::QAB1(D)
- R(c);::QAB1(D)
- Refutation
- R(c);XR(C)
- Try
- Actual
- Q(D);
- Threat
- DUALS(6)
- Vars
- R(d);OGATE,P_SPINR(d),XR(C)::QAB1(D),XR(d)
- R(c);::QAB(D)+R(C)
- R(d);::QAB(D)+R(C),XR(d)
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