MESON Chess Problem Database
Problem Display
PID: 249599 (KN6/5nQ1/1N3q2/kPBB4/1R6/4n1P1/8/8 w - - 0 1)
L'Hermet, Johann Georg Rudolf
Deutsche Schachzeitung, 1894
#2
9 + 4
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Sc6#
- 2.Qxa1#
- 1...Qb2
- 2.Sc6#
- 1...Qc3
- 2.Sc6#
- 1...Qd4
- 2.Sc6#
- 1...Qh4
- 2.Sc6#
- 2.Qa1#
- 1...Qe5
- 2.Sc6#
- 1...Qg5
- 2.Sc6#
- 2.Qa1#
- 1...Qe7
- 2.Sc6#
- 2.Qa1#
- 1...Qxg7
- 2.Sc6#
- 1...Qd8
- 2.Qa1#
- 1...Qf1
- 2.Sc6#
- 1...Qf2
- 2.Sc6#
- 1...Qf3
- 2.Sc6#
- 2.Qa1#
- 1...Qf4
- 2.Sc6#
- 2.Qa1#
- 1...Qf5
- 2.Sc6#
- 2.Qa1#
- 1...Qxb6
- 2.Qa1#
- 1...Qc6+
- 2.Sxc6#
- 1...Qd6
- 2.Qa1#
- 1...Qe6
- 2.Qa1#
- 1...Qg6
- 2.Qa1#
- 1...Qh6
- 2.Qa1#
- 1...Sd1
- 2.Sc4#
- 1...Sf1
- 2.Sc4#
- 1...Sc2
- 2.Sc4#
- 1...Sg2
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sg4
- 2.Sc4#
- 1...Sxd5
- 2.Sc4#
- 1...Sf5
- 2.Sc4#
- 1...Se5
- 2.Qa7#
- 1...Sg5
- 2.Qa7#
- 1...Sd6
- 2.Sc6#
- 2.Qa7#
- 1...Sh6
- 2.Qa7#
- 1...Sd8
- 2.Qa7#
- 1...Sh8
- 2.Qa7#
- 1...Qa1
- Tries
- 1.Bb3?
- 1...Qc6+
- 2.Sxc6#
- 1...Qxg7
- 2.Sc6#
- 1...Qxb6
- 2.Qa1#
- 1...Qe6
- 2.Qa1#
- 1...Qa1
- 2.Sc6#
- 2.Qxa1#
- 1...Qb2
- 2.Sc6#
- 1...Qc3
- 2.Sc6#
- 1...Qd4
- 2.Sc6#
- 1...Qh4
- 2.Sc6#
- 2.Qa1#
- 1...Qe5
- 2.Sc6#
- 1...Qg5
- 2.Sc6#
- 2.Qa1#
- 1...Qe7
- 2.Sc6#
- 2.Qa1#
- 1...Qd8
- 2.Qa1#
- 1...Qf1
- 2.Sc6#
- 1...Qf2
- 2.Sc6#
- 1...Qf4
- 2.Sc6#
- 2.Qa1#
- 1...Qf5
- 2.Sc6#
- 2.Qa1#
- 1...Qd6
- 2.Qa1#
- 1...Qg6
- 2.Qa1#
- 1...Qh6
- 2.Qa1#
- 1...Sd1
- 2.Sc4#
- 1...Sf1
- 2.Sc4#
- 1...Sc2
- 2.Sc4#
- 1...Sg2
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sg4
- 2.Sc4#
- 1...Sd5
- 2.Sc4#
- 1...Sf5
- 2.Sc4#
- 1...Se5
- 2.Qa7#
- 1...Sg5
- 2.Qa7#
- 1...Sd6
- 2.Sc6#
- 2.Qa7#
- 1...Sh6
- 2.Qa7#
- 1...Sd8
- 2.Qa7#
- 1...Sh8
- 2.Qa7#
- 1...Qf3+!
- 1...Qc6+
- 1.Bc4?
- threat
- 2.Ra4#
- 1...Qc6+
- 2.Sxc6#
- 1...Qxb6
- 2.Qa1#
- 1...Sxc4
- 2.Sxc4#
- 1...Qa1
- 2.Sc6#
- 2.Qxa1#
- 1...Qf3+!
- threat
- 1.Be4?
- 1...Qc6+
- 2.Sxc6#
- 1...Qxg7
- 2.Sc6#
- 1...Qxb6
- 2.Qa1#
- 1...Qa1
- 2.Sc6#
- 2.Qxa1#
- 1...Qb2
- 2.Sc6#
- 1...Qc3
- 2.Sc6#
- 1...Qd4
- 2.Sc6#
- 1...Qh4
- 2.Sc6#
- 2.Qa1#
- 1...Qe5
- 2.Sc6#
- 1...Qg5
- 2.Sc6#
- 2.Qa1#
- 1...Qe7
- 2.Sc6#
- 2.Qa1#
- 1...Qd8
- 2.Qa1#
- 1...Qf1
- 2.Sc6#
- 1...Qf2
- 2.Sc6#
- 1...Qf3
- 2.Sc6#
- 2.Qa1#
- 1...Qf4
- 2.Sc6#
- 2.Qa1#
- 1...Qf5
- 2.Sc6#
- 2.Qa1#
- 1...Qd6
- 2.Qa1#
- 1...Qg6
- 2.Qa1#
- 1...Qh6
- 2.Qa1#
- 1...Sd1
- 2.Sc4#
- 1...Sf1
- 2.Sc4#
- 1...Sc2
- 2.Sc4#
- 1...Sg2
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sg4
- 2.Sc4#
- 1...Sd5
- 2.Sc4#
- 1...Sf5
- 2.Sc4#
- 1...Se5
- 2.Qa7#
- 1...Sg5
- 2.Qa7#
- 1...Sd6
- 2.Sc6#
- 2.Qa7#
- 1...Sh6
- 2.Qa7#
- 1...Sd8
- 2.Qa7#
- 1...Sh8
- 2.Qa7#
- 1...Qe6!
- 1...Qc6+
- 1.Bc6?
- threat
- 2.Ra4#
- 1...Qxc6+
- 2.Sxc6#
- 1...Qa1
- 2.Qxa1#
- 1...Qh4
- 2.Qa1#
- 1...Qf4
- 2.Qa1#
- 1...Qd4!
- threat
- 1.Qxf6?
- threat
- 2.Sc6#
- 2.Qa1#
- 1...Sc2
- 2.Sc4#
- 2.Sc6#
- 1...Sc4
- 2.Sxc4#
- 2.Sc6#
- 1...Sd8
- 2.Qa1#
- 1...Se5!
- threat
- 1.Qxf7?
- threat
- 2.Qa7#
- 1...Qc6+
- 2.Sxc6#
- 1...Qxf7
- 2.Sc6#
- 1...Qe7
- 2.Sc6#
- 1...Qg7
- 2.Sc6#
- 1...Qxb6!
- threat
- 1.Bb3?
- Keys
- 1.g4!
- 1...Qc6+
- 2.Sxc6#
- 1...Qxg7
- 2.Sc6#
- 1...Qxb6
- 2.Qa1#
- 1...Sxg4
- 2.Sc4#
- 1...Sxd5
- 2.Sc4#
- 1...Qe6
- 2.Qa1#
- 1...Qa1
- 2.Sc6#
- 2.Qxa1#
- 1...Qb2
- 2.Sc6#
- 1...Qc3
- 2.Sc6#
- 1...Qd4
- 2.Sc6#
- 1...Qh4
- 2.Sc6#
- 2.Qa1#
- 1...Qe5
- 2.Sc6#
- 1...Qg5
- 2.Sc6#
- 2.Qa1#
- 1...Qe7
- 2.Sc6#
- 2.Qa1#
- 1...Qd8
- 2.Qa1#
- 1...Qf1
- 2.Sc6#
- 1...Qf2
- 2.Sc6#
- 1...Qf3
- 2.Sc6#
- 2.Qa1#
- 1...Qf4
- 2.Sc6#
- 2.Qa1#
- 1...Qf5
- 2.Sc6#
- 2.Qa1#
- 1...Qd6
- 2.Qa1#
- 1...Qg6
- 2.Qa1#
- 1...Qh6
- 2.Qa1#
- 1...Sd1
- 2.Sc4#
- 1...Sf1
- 2.Sc4#
- 1...Sc2
- 2.Sc4#
- 1...Sg2
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sf5
- 2.Sc4#
- 1...Se5
- 2.Qa7#
- 1...Sg5
- 2.Qa7#
- 1...Sd6
- 2.Sc6#
- 2.Qa7#
- 1...Sh6
- 2.Qa7#
- 1...Sd8
- 2.Qa7#
- 1...Sh8
- 2.Qa7#
- 1...Qc6+
- 1.g4!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(c);N_GUARD::S(I)
- Q(c);N_GUARD,XQ(G)::S(I)
- Q(c);OGATE,P_PINS(I)::QAR(G)
- Q(c);OGATE,XS(F)::QAR(G)
- Q(c);CHECK,N_GUARD::S(I),XQ(c)
- Q(c);OGATE::QAR(G)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- S(a);N_GUARD,XB(E)::S(F)
- S(d);OGATE::QAR2(G)
- Tries
- Try
- B(E);
- Vars
- Q(c);CHECK,N_GUARD::S(I),XQ(c)
- Q(c);N_GUARD,XQ(G)::S(I)
- Q(c);OGATE,XS(F)::QAR(G)
- Q(c);OGATE::QAR(G)
- Q(c);N_GUARD::S(I)
- Q(c);OGATE,P_PINS(I)::QAR(G)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- S(d);OGATE::QAR2(G)
- Refutation
- Q(c);CHECK
- Try
- B(E);
- Threat
- R1(B)
- Vars
- Q(c);CHECK,N_GUARD::S(I),XQ(c)
- Q(c);OGATE,XS(F)::QAR(G)
- S(a);XB(E)::S(F),XS(a)
- Refutation
- Q(c);CHECK
- Try
- B(E);
- Vars
- Q(c);CHECK,N_GUARD::S(I),XQ(c)
- Q(c);N_GUARD,XQ(G)::S(I)
- Q(c);OGATE,XS(F)::QAR(G)
- Q(c);N_GUARD::S(I)
- Q(c);OGATE,P_PINS(I)::QAR(G)
- Q(c);OGATE::QAR(G)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- S(d);OGATE::QAR2(G)
- Refutation
- Q(c);
- Try
- B(E);
- Threat
- R1(B)
- Vars
- Q(c);CHECK,XB(E)::S(I),XQ(c)
- Q(c);OGATE::QAR(G),XQ(c)
- Q(c);OGATE::QAR(G)
- Refutation
- Q(c);
- Try
- Q(G);XQ(c)
- Threat
- DUALS(2)
- Vars
- S(d);::QAR(G)
- Refutation
- S(d);
- Try
- Q(G);XS(d)
- Threat
- QAR2(G)
- Vars
- Q(c);CHECK,N_GUARD::S(I),XQ(c)
- Q(c);N_GUARD,XQ(G)::S(I)
- Q(c);N_GUARD::S(I)
- Refutation
- Q(c);XS(F)
- Try
- Actual
- P(A);
- Vars
- Q(c);CHECK,N_GUARD::S(I),XQ(c)
- Q(c);N_GUARD,XQ(G)::S(I)
- Q(c);OGATE,XS(F)::QAR(G)
- S(a);N_GUARD,XP(A)::S(F)
- S(a);N_GUARD,XB(E)::S(F)
- Q(c);OGATE::QAR(G)
- Q(c);N_GUARD::S(I)
- Q(c);OGATE,P_PINS(I)::QAR(G)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- S(d);OGATE::QAR2(G)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).