MESON Chess Problem Database
Problem Display
PID: 162292 (7k/4N1p1/3P4/6N1/2p2K2/2Q2p2/q1R5/Rr6 w - - 0 1)
Henneberger, Walter
Neuchatel Solving Ty., 1922
(First published on Fri Jul 21 1922)
#2
7 + 6
| 15257 | Kunstwerke auf 64 Feldern (1922-1966) (Ott, Kummer, Schudel) | 1968 |
| 328 | Schweizerische Schachzeitung | 1969 |
| 15601 | Albrecht-Leiss-Degener Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Qb3
- 2.Rh2#
- 1...Qxa1
- 2.Rh2#
- 1...Qa3
- 2.Rh2#
- 1...Qa4
- 2.Rh2#
- 1...Qa5
- 2.Rh2#
- 1...Qa6
- 2.Rh2#
- 1...Qa7
- 2.Rh2#
- 1...Qa8
- 2.Rh2#
- 1...Rh1
- 2.Rxh1#
- 1...Rb2
- 2.Rh1#
- 1...Rb3
- 2.Rh1#
- 1...Rb4
- 2.Rh1#
- 1...Rb5
- 2.Rh1#
- 1...Rb6
- 2.Rh1#
- 1...Rb7
- 2.Rh1#
- 1...Rb8
- 2.Rh1#
- 1...f2
- 2.Qh3#
- 1...Qb3
- Tries
- 1.Rxb1?
- threat
- 2.Rh1#
- 2.Rb8#
- 1...Qxc2
- 2.Rb8#
- 1...Qb2
- 2.Rh1#
- 1...Qb3
- 2.Rh1#
- 2.Rh2#
- 1...Qa1
- 2.Rb8#
- 2.Rh2#
- 1...Qa4
- 2.Rh1#
- 2.Rh2#
- 1...Qa5
- 2.Rh1#
- 2.Rh2#
- 1...Qa6
- 2.Rh1#
- 2.Rh2#
- 1...Qa7
- 2.Rh1#
- 2.Rh2#
- 1...Qa8
- 2.Rh1#
- 2.Rh2#
- 1...Qxb1!
- threat
- 1.Raxa2?
- threat
- 2.Rh2#
- 1...Rh1
- 2.Ra8#
- 1...f2
- 2.Qh3#
- 1...Rb2!
- threat
- 1.Rcxa2?
- threat
- 2.Rh2#
- 1...Rh1
- 2.Rxh1#
- 2.Ra8#
- 1...f2
- 2.Qh3#
- 1...Rb2!
- threat
- 1.Qa5?
- threat
- 2.Qd8#
- 1...Qxa5
- 2.Rh2#
- 1...g6
- 2.Qc3#
- 2.Qe5#
- 1...Qa4
- 2.Rh2#
- 1...Rb6
- 2.Rh1#
- 1...Rb8
- 2.Rh1#
- 1...c3!
- threat
- 1.Qd3?
- threat
- 2.Sf7#
- 2.Qh7#
- 1...Qxc2
- 2.Sf7#
- 1...g6
- 2.Qc3#
- 2.Qd4#
- 1...Rh1
- 2.Sf7#
- 2.Rxh1#
- 1...c3
- 2.Qh7#
- 1...cxd3!
- threat
- 1.Qxc4?
- threat
- 2.Sg6#
- 1...Qxc2
- 2.Qg8#
- 1...g6
- 2.Qc3#
- 2.Qd4#
- 1...Qxc4+!
- threat
- 1.d7?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Qxa1
- 2.Rh2#
- 2.d8Q#
- 2.d8R#
- 1...Qxc2
- 2.d8Q#
- 2.d8R#
- 1...Rxa1
- 2.d8Q#
- 2.d8R#
- 1...f2
- 2.Qh3#
- 2.d8Q#
- 2.d8R#
- 1...Qb3
- 2.Rh2#
- 2.d8Q#
- 2.d8R#
- 1...Qb2
- 2.d8Q#
- 2.d8R#
- 1...Qa3
- 2.Rh2#
- 2.d8Q#
- 2.d8R#
- 1...Qa4
- 2.Rh2#
- 1...Qa5
- 2.Rh2#
- 1...Qa6
- 2.d8Q#
- 2.d8R#
- 1...Qa7
- 2.Rh2#
- 2.d8Q#
- 2.d8R#
- 1...Qa8
- 2.Rh2#
- 1...Rc1
- 2.d8Q#
- 2.d8R#
- 1...Re1
- 2.d8Q#
- 2.d8R#
- 1...Rf1
- 2.d8Q#
- 2.d8R#
- 1...Rg1
- 2.d8Q#
- 2.d8R#
- 1...Rh1
- 2.Rxh1#
- 2.d8Q#
- 2.d8R#
- 1...Rb2
- 2.Rh1#
- 2.d8Q#
- 2.d8R#
- 1...Rb3
- 2.Rh1#
- 2.d8Q#
- 2.d8R#
- 1...Rb4
- 2.Rh1#
- 2.d8Q#
- 2.d8R#
- 1...Rb5
- 2.Rh1#
- 2.d8Q#
- 2.d8R#
- 1...Rb6
- 2.d8Q#
- 2.d8R#
- 1...Rb7
- 2.Rh1#
- 2.d8Q#
- 2.d8R#
- 1...Rb8
- 2.Rh1#
- 1...Rd1!
- threat
- 1.Rxb1?
- Keys
- 1.Qb3!
- 1...Qxb3
- 2.Rh2#
- 1...Qxa1
- 2.Rh2#
- 1...Qxc2
- 2.Ra8#
- 1...Rxa1
- 2.Qb8#
- 1...Rxb3
- 2.Rh1#
- 1...cxb3
- 2.Rc8#
- 1...g6
- 2.Qc3#
- 1...f2
- 2.Qh3#
- 1...Qb2
- 2.Ra8#
- 1...Qa3
- 2.Rh2#
- 1...Qa4
- 2.Rh2#
- 1...Qa5
- 2.Rh2#
- 1...Qa6
- 2.Rh2#
- 1...Qa7
- 2.Rh2#
- 1...Qa8
- 2.Rxa8#
- 2.Rh2#
- 1...Rc1
- 2.Qb8#
- 1...Rd1
- 2.Qb8#
- 1...Re1
- 2.Qb8#
- 1...Rf1
- 2.Qb8#
- 1...Rg1
- 2.Qb8#
- 1...Rh1
- 2.Rxh1#
- 2.Qb8#
- 1...Rb2
- 2.Rh1#
- 1...c3
- 2.Sg6#
- 1...Qxb3
- 1.Qb3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 7
- Sets
- Q(b);N_GUARD::R(B)
- Q(b);N_GUARD,XR(A)::R(B)
- R(a);OGATE::R(A),XR(a)
- R(a);OGATE::R(A)
- P(c);OGATE::QAR(C)
- Tries
- Try
- R(A);XR(a)
- Threat
- DUALS(2)
- Vars
- Q(b);XR(B)::R(A)
- Q(b);::R(A)
- Refutation
- Q(b);XR(A)
- Try
- R(A);XQ(b)
- Threat
- R(B)
- Vars
- R(a);N_GUARD::R(A)
- P(c);OGATE::QAR(C)
- Refutation
- R(a);
- Try
- R(B);XQ(b)
- Threat
- R(B)
- Vars
- P(c);OGATE::QAR(C)
- Refutation
- R(a);
- Try
- Q(C);N_PINP(e)
- Threat
- QAR(C)
- Vars
- Q(b);N_GUARD,XQ(C)::R(B)
- Q(b);N_GUARD::R(B)
- R(a);OGATE::R(A)
- Refutation
- P(d);
- Try
- Q(C);N_PINP(e)
- Threat
- DUALS(2)
- Vars
- Q(b);XR(B)::S(E)
- P(d);::QAR1(C)
- Refutation
- P(d);XQ(C)
- Try
- Q(C);N_PINP(e),XP(d)
- Threat
- S(G)
- Vars
- Q(b);N_GUARD,XR(B)::QAR1(C)
- Refutation
- Q(b);CHECK,XQ(C)
- Try
- P(F);
- Threat
- P=Q
- Vars
- Q(b);XR(B)::P=Q
- R(a);XR(A)::P=Q
- Q(b);::P=Q
- Q(b);N_GUARD::R(B)
- R(a);::P=Q
- R(a);OGATE::R(A)
- Refutation
- R(a);
- Try
- Actual
- Q(C);N_PINP(e)
- Vars
- Q(b);N_GUARD,XQ(C)::R(B)
- Q(b);N_GUARD,XR(A)::R(B)
- Q(b);OGATE,XR(B)::R(A)
- R(a);N_GUARD,XR(A)::QAR(C)
- R(a);OGATE,XQ(C)::R(A)
- P(d);OGATE,XQ(C)::R(B)
- P(e);OGATEB::QAB(C)
- P(c);OGATE::QAR(C)
- Q(b);OGATE::R(A)
- Q(b);N_GUARD::R(B)
- R(a);N_GUARD::QAR(C)
- R(a);OGATE::R(A)
- P(d);::S(G)
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