MESON Chess Problem Database
Problem Display
PID: 9691 (8/4q3/8/5B2/4R3/6Q1/1p1N4/1K5k w - - 0 1)
Brunner, Erich Anselm
Deutsches Wochenschach, 1908
#2
5 + 3
| 3310 | 2345 Chess Problems | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Qa3
- 2.Re1#
- 2.Rh4#
- 1...Qb4
- 2.Re1#
- 1...Qh4
- 2.Re1#
- 2.Rxh4#
- 1...Qc5
- 2.Rh4#
- 1...Qg5
- 2.Re1#
- 1...Qd6
- 2.Re1#
- 2.Rh4#
- 1...Qf6
- 2.Re1#
- 1...Qd8
- 2.Re1#
- 1...Qf8
- 2.Re1#
- 2.Rh4#
- 1...Qxe4+
- 2.Bxe4#
- 1...Qe5
- 2.Rh4#
- 1...Qe6
- 2.Rh4#
- 1...Qa7
- 2.Rh4#
- 1...Qb7
- 2.Re1#
- 2.Rh4#
- 1...Qc7
- 2.Re1#
- 2.Rh4#
- 1...Qd7
- 2.Re1#
- 2.Rh4#
- 1...Qf7
- 2.Re1#
- 2.Rh4#
- 1...Qg7
- 2.Re1#
- 2.Rh4#
- 1...Qh7
- 2.Re1#
- 1...Qe8
- 2.Rh4#
- 1...Qa3
- Tries
- 1.Sf1?
- threat
- 2.Qh2#
- 1...Qxe4+
- 2.Bxe4#
- 1...Qh4
- 2.Rxh4#
- 1...Qd6
- 2.Rh4#
- 1...Qe5
- 2.Rh4#
- 1...Qc7
- 2.Rh4#
- 1...Qh7!
- threat
- 1.Sb3?
- 1...Qxe4+
- 2.Bxe4#
- 1...Qa3
- 2.Re1#
- 2.Rh4#
- 1...Qh4
- 2.Re1#
- 2.Rxh4#
- 1...Qc5
- 2.Rh4#
- 1...Qg5
- 2.Re1#
- 1...Qd6
- 2.Re1#
- 2.Rh4#
- 1...Qf6
- 2.Re1#
- 1...Qd8
- 2.Re1#
- 1...Qf8
- 2.Re1#
- 2.Rh4#
- 1...Qe5
- 2.Rh4#
- 1...Qe6
- 2.Rh4#
- 1...Qa7
- 2.Rh4#
- 1...Qb7
- 2.Re1#
- 2.Rh4#
- 1...Qc7
- 2.Re1#
- 2.Rh4#
- 1...Qd7
- 2.Re1#
- 2.Rh4#
- 1...Qf7
- 2.Re1#
- 2.Rh4#
- 1...Qg7
- 2.Re1#
- 2.Rh4#
- 1...Qh7
- 2.Re1#
- 1...Qe8
- 2.Rh4#
- 1...Qb4!
- 1...Qxe4+
- 1.Sf3?
- threat
- 2.Qh2#
- 2.Qg1#
- 2.Qh3#
- 1...Qh4
- 2.Re1#
- 2.Rxh4#
- 2.Qg1#
- 1...Qc5
- 2.Rh4#
- 2.Qh2#
- 2.Qh3#
- 1...Qg5
- 2.Re1#
- 2.Qh2#
- 2.Qh3#
- 1...Qd6
- 2.Re1#
- 2.Rh4#
- 2.Qg1#
- 1...Qe5
- 2.Rh4#
- 2.Qg1#
- 1...Qa7
- 2.Rh4#
- 2.Qh2#
- 2.Qh3#
- 1...Qc7
- 2.Re1#
- 2.Rh4#
- 2.Qg1#
- 1...Qg7
- 2.Re1#
- 2.Rh4#
- 2.Qh2#
- 2.Qh3#
- 1...Qh7
- 2.Re1#
- 2.Qg1#
- 1...Qxe4+!
- threat
- 1.Bh3?
- threat
- 2.Qg2#
- 1...Qg5
- 2.Re1#
- 1...Qg7
- 2.Re1#
- 1...Qxe4+!
- threat
- 1.Re2?
- threat
- 2.Rh2#
- 2.Qe1#
- 2.Qh2#
- 2.Qg2#
- 1...Qe4+
- 2.Bxe4#
- 1...Qh4
- 2.Re1#
- 2.Qg2#
- 1...Qc5
- 2.Be4#
- 2.Rh2#
- 2.Qh2#
- 2.Qg2#
- 1...Qg5
- 2.Be4#
- 2.Re1#
- 2.Rh2#
- 2.Qh2#
- 1...Qd6
- 2.Be4#
- 2.Re1#
- 2.Rh2#
- 2.Qe1#
- 2.Qg2#
- 1...Qe3
- 2.Rh2#
- 2.Qh2#
- 2.Qg2#
- 1...Qe5
- 2.Rh2#
- 2.Qe1#
- 2.Qg2#
- 1...Qa7
- 2.Be4#
- 2.Rh2#
- 2.Qh2#
- 2.Qg2#
- 1...Qb7
- 2.Re1#
- 2.Rh2#
- 2.Qe1#
- 2.Qh2#
- 1...Qc7
- 2.Be4#
- 2.Re1#
- 2.Rh2#
- 2.Qe1#
- 2.Qg2#
- 1...Qg7
- 2.Be4#
- 2.Re1#
- 2.Rh2#
- 2.Qh2#
- 1...Qh7
- 2.Re1#
- 2.Qe1#
- 2.Qg2#
- 1...Qxe2!
- threat
- 1.Rg4?
- threat
- 2.Qg1#
- 2.Qg2#
- 2.Qh3#
- 1...Qe4+
- 2.Bxe4#
- 1...Qa3
- 2.Rh4#
- 2.Qg1#
- 2.Qg2#
- 1...Qh4
- 2.Be4#
- 2.Rxh4#
- 2.Qxh4#
- 2.Qg1#
- 2.Qg2#
- 1...Qc5
- 2.Be4#
- 2.Rh4#
- 2.Qh4#
- 2.Qg2#
- 2.Qh3#
- 1...Qd6
- 2.Be4#
- 2.Rh4#
- 2.Qg1#
- 2.Qg2#
- 1...Qe2
- 2.Qg1#
- 1...Qe3
- 2.Rh4#
- 2.Qg2#
- 1...Qe5
- 2.Rh4#
- 2.Qg1#
- 2.Qg2#
- 1...Qa7
- 2.Be4#
- 2.Rh4#
- 2.Qh4#
- 2.Qg2#
- 2.Qh3#
- 1...Qb7
- 2.Rh4#
- 2.Qh4#
- 2.Qg1#
- 2.Qh3#
- 1...Qc7
- 2.Be4#
- 2.Rh4#
- 2.Qg1#
- 2.Qg2#
- 1...Qh7
- 2.Qg1#
- 2.Qg2#
- 1...Qe1+!
- threat
- 1.Re5?
- threat
- 2.Be4#
- 1...Qf6
- 2.Re1#
- 1...Qa3
- 2.Re1#
- 1...Qb4
- 2.Re1#
- 1...Qh4
- 2.Re1#
- 1...Qf8
- 2.Re1#
- 1...Qb7
- 2.Re1#
- 1...Qf7
- 2.Re1#
- 1...Qh7
- 2.Re1#
- 1...Qxe5!
- threat
- 1.Re6?
- threat
- 2.Be4#
- 1...Qf6
- 2.Re1#
- 1...Qa3
- 2.Re1#
- 2.Rh6#
- 1...Qb4
- 2.Re1#
- 1...Qh4
- 2.Re1#
- 1...Qf8
- 2.Re1#
- 1...Qb7
- 2.Re1#
- 2.Rh6#
- 1...Qf7
- 2.Re1#
- 1...Qh7
- 2.Re1#
- 1...Qxe6!
- threat
- 1.Qh4+?
- 1...Kg1
- 2.Rg4#
- 1...Kg2
- 2.Rg4#
- 1...Qxh4!
- 1...Kg1
- 1.Sf1?
- Keys
- 1.Sc4!
- 1...Qxe4+
- 2.Bxe4#
- 1...Qa3
- 2.Re1#
- 2.Rh4#
- 1...Qb4
- 2.Rh4#
- 1...Qh4
- 2.Re1#
- 2.Rxh4#
- 1...Qc5
- 2.Rh4#
- 1...Qg5
- 2.Re1#
- 1...Qd6
- 2.Re1#
- 2.Rh4#
- 1...Qf6
- 2.Re1#
- 1...Qd8
- 2.Re1#
- 1...Qf8
- 2.Re1#
- 2.Rh4#
- 1...Qe5
- 2.Rh4#
- 1...Qe6
- 2.Rh4#
- 1...Qa7
- 2.Rh4#
- 1...Qb7
- 2.Re1#
- 2.Rh4#
- 1...Qc7
- 2.Re1#
- 2.Rh4#
- 1...Qd7
- 2.Re1#
- 2.Rh4#
- 1...Qf7
- 2.Re1#
- 2.Rh4#
- 1...Qg7
- 2.Re1#
- 2.Rh4#
- 1...Qh7
- 2.Re1#
- 1...Qe8
- 2.Rh4#
- 1...Qxe4+
- 1.Sc4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(c);N_GUARD::R(D)
- Q(c);CHECK,OGATE,XR(D)::B(E),XQ(c)
- Tries
- Try
- S(B);
- Threat
- QAR1(C)
- Vars
- Q(c);CHECK,OGATE,XR(D)::B(E),XQ(c)
- Q(c);N_GUARD::R(D),XQ(c)
- Q(c);N_GUARD::R(D)
- Refutation
- Q(c);
- Try
- S(B);
- Vars
- Q(c);CHECK,OGATE,XR(D)::B(E),XQ(c)
- Q(c);N_GUARD::R(D)
- Refutation
- Q(c);
- Try
- S(B);
- Threat
- DUALS(3)
- Refutation
- Q(c);CHECK,XR(D)
- Try
- B(E);
- Threat
- QAB1(C)
- Vars
- Q(c);N_GUARD::R(D)
- Refutation
- Q(c);CHECK,XR(D)
- Try
- R(D);
- Threat
- DUALS(4)
- Vars
- Q(c);CHECK,N_GUARD::B(E),XQ(c)
- Refutation
- Q(c);XR(D)
- Try
- R(D);
- Threat
- DUALS(3)
- Vars
- Q(c);CHECK,N_GUARD::B(E),XQ(c)
- Q(c);::QAR1(C)
- Refutation
- Q(c);CHECK
- Try
- R(D);
- Threat
- B(E)
- Vars
- Q(c);N_GUARD::R(D)
- Q(c);N_GUARD,P_PINB(E)::R(D)
- Refutation
- Q(c);XR(D)
- Try
- R(D);
- Threat
- B(E)
- Vars
- Q(c);N_GUARD::R(D)
- Q(c);N_GUARD,P_PINB(E)::R(D)
- Refutation
- Q(c);XR(D)
- Try
- Q(C);CHECK
- Vars
- K(a);P-FLIGHT::R(D)
- K(a);S_FLIGHT::R(D)
- Refutation
- Q(c);XQ(C)
- Try
- Actual
- S(B);
- Vars
- Q(c);CHECK,OGATE,XR(D)::B(E),XQ(c)
- Q(c);N_GUARD::R(D)
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