MESON Chess Problem Database
Problem Display
PID: 21924 (6Qn/1KR2r2/1R4p1/3kp3/p2N3q/pr3P2/B7/B7 w - - 0 1)
Kaiser, Gerhard
Deutsches Wochenschach, 1922
#2
8 + 9
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
SOLUTION
- SOUND
- Tries
- 1.Rd7+?
- 1...Kc5
- 2.Qc8#
- 1...Kc4!
- 1...Kc5
- 1.Qa8?
- threat
- 2.Ka6#
- 2.Ka7#
- 2.Kb8#
- 2.Kc8#
- 2.Qa5#
- 1...Qxd4
- 2.Ka6#
- 2.Ka7#
- 2.Kb8#
- 2.Kc8#
- 1...Rxf3
- 2.Ka6#
- 2.Ka7#
- 2.Kb8#
- 2.Kc8#
- 1...exd4
- 2.Qa5#
- 1...e4
- 2.Qa5#
- 1...Qe1
- 2.Ka6#
- 2.Ka7#
- 2.Kb8#
- 2.Kc8#
- 1...Qf6
- 2.Qa5#
- 1...Qe7
- 2.Ka6#
- 2.Ka7#
- 2.Kb8#
- 2.Kc8#
- 1...Qd8
- 2.Qa5#
- 1...Qh3
- 2.Ka6#
- 2.Ka7#
- 2.Kb8#
- 2.Qa5#
- 1...Qg4
- 2.Ka6#
- 2.Ka7#
- 2.Kb8#
- 2.Qa5#
- 1...Rf6
- 2.Qa5#
- 1...Rf8
- 2.Qa5#
- 1...Rxc7+!
- threat
- 1.Qd8+?
- 1...Rd7
- 2.Qxd7#
- 1...Qxd8!
- 1...Rd7
- 1.Qe8?
- threat
- 2.Qb5#
- 2.Qc6#
- 2.Qe6#
- 1...Qxd4
- 2.Qc6#
- 2.Qe6#
- 1...Rxf3
- 2.Qc6#
- 1...exd4
- 2.Qb5#
- 2.Qe6#
- 1...Qf6
- 2.Qb5#
- 1...Qe7
- 2.Qc6#
- 1...Qh3
- 2.Qb5#
- 2.Qc6#
- 1...Qg4
- 2.Qb5#
- 2.Qc6#
- 1...Rf6
- 2.Qb5#
- 1...Rd7
- 2.Qxd7#
- 2.Qe6#
- 1...Re7
- 2.Qb5#
- 2.Qc6#
- 1...e4
- 2.Qb5#
- 2.Qe6#
- 1...Rxc7+!
- threat
- 1.Rd7+?
- Keys
- 1.Sc6!
- 1...Kc4
- 2.Sb4#
- 1...Kc5
- 2.Se7#
- 1...Kd6
- 2.Sb4#
- 1...Ke6
- 2.Se7#
- 1...Qe1
- 2.Se7#
- 1...Qf2
- 2.Sb4#
- 2.Se7#
- 1...Qg3
- 2.Sb4#
- 2.Se7#
- 1...Qg5
- 2.Sb4#
- 1...Qf6
- 2.Sb4#
- 1...Qe7
- 2.Sxe7#
- 1...Qd8
- 2.Sb4#
- 1...Qh1
- 2.Sb4#
- 2.Se7#
- 1...Qh2
- 2.Sb4#
- 2.Se7#
- 1...Qh3
- 2.Sb4#
- 2.Se7#
- 1...Qb4
- 2.Sxb4#
- 1...Qc4
- 2.Se7#
- 1...Qd4
- 2.Se7#
- 1...Qe4
- 2.Se7#
- 1...Qf4
- 2.Se7#
- 1...Qg4
- 2.Se7#
- 1...Qh5
- 2.Sb4#
- 2.Se7#
- 1...Qh6
- 2.Sb4#
- 2.Se7#
- 1...Qh7
- 2.Sb4#
- 2.Se7#
- 1...e4
- 2.Sb4#
- 1...g5
- 2.Se7#
- 1...Kc4
- 1.Sc6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 17
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(G);CHECK
- Vars
- K(e);N_SPINR(b),P-FLIGHT::QAR(H)
- Refutation
- K(e);S_FLIGHT
- Try
- Q(H);
- Threat
- DUALS(5)
- Vars
- P(f);XS(D)::QAR(H)
- P(f);::QAR(H)
- Q(d);::QAR(H)
- R(h);::QAR(H)
- Refutation
- R(h);CHECK,XR(G)
- Try
- Q(H);CHECK
- Vars
- R(h);N_GUARD::QAR2(H),XR(h)
- Refutation
- Q(d);XQ(H)
- Try
- Q(H);
- Threat
- DUALS(3)
- Vars
- R(h);XP(C)::QAB1(H)
- Q(d);::QAR2(H)
- Q(d);::QAB1(H)
- R(h);::QAR2(H)
- Refutation
- R(h);CHECK,XR(G)
- Try
- Actual
- S(D);
- Vars
- K(e);S_FLIGHT::R(G)+S(D)
- K(e);N_SPINR(b),P-FLIGHT::R(G)+S(D)
- K(e);N_SPINR(b),P-FLIGHT::R(E)+S(D)
- K(e);S_FLIGHT::R(E)+S(D)
- Q(d);N_GUARD::S(D)
- Q(d);N_GUARD::S(D),XQ(d)
- Q(d);N_GUARD,N_SPINR(b),P_SPINR(h)::S(D)
- P(f);S_CUTQ(d)::S(D)
- P(g);S_CUTQ(d)::S(D)
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