MESON Chess Problem Database
Problem Display
PID: 170133 (8/8/3p2p1/6Np/6pP/4PPkB/2Q3N1/3nK2R w K - 0 1)
Hoffmann, Martin Wolfgang
Tages-Anzeiger, 1969
#2
9 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sb2
- 2.Qf2#
- 1...Sf2
- 2.Qxf2#
- 1...Sc3
- 2.Qf2#
- 1...Sxe3
- 2.Qf2#
- 1...gxf3
- 2.Se4#
- 1...gxh3
- 2.Rxh3#
- 1...d5
- 2.Qc7#
- 1...Sb2
- Tries
- 1.Kxd1?
- 1...gxf3
- 2.Se4#
- 1...gxh3
- 2.Rxh3#
- 1...d5!
- 1...gxf3
- 1.Kf1?
- 1...gxf3
- 2.Se4#
- 1...gxh3
- 2.Rxh3#
- 1...Sb2
- 2.Qf2#
- 1...Sf2
- 2.Qxf2#
- 1...Sc3
- 2.Qf2#
- 1...d5
- 2.Qc7#
- 1...Sxe3+!
- 1...gxf3
- 1.Bxg4?
- threat
- 2.Se4#
- 2.Rh3#
- 1...Sf2
- 2.Qxf2#
- 1...Sc3
- 2.Rh3#
- 2.Qf2#
- 1...d5
- 2.Rh3#
- 1...hxg4!
- threat
- 1.Qf5?
- threat
- 2.Se4#
- 2.Qf4#
- 1...gxh3
- 2.Qxh3#
- 1...d5
- 2.Qf4#
- 2.Qe5#
- 1...Sf2
- 2.Qf4#
- 1...Sc3
- 2.Qf4#
- 1...gxf5!
- threat
- 1.Qxg6?
- threat
- 2.Qxd6#
- 1...d5
- 2.Qd6#
- 1...gxh3!
- threat
- 1.Qb2?
- 1...Sxe3
- 2.Qf2#
- 1...gxf3
- 2.Se4#
- 1...gxh3
- 2.Rxh3#
- 1...d5
- 2.Qe5#
- 2.Qb8#
- 1...Sf2
- 2.Qxf2#
- 1...Sc3
- 2.Qf2#
- 1...Sxb2!
- 1...Sxe3
- 1.Qd2?
- threat
- 2.Qxd6#
- 1...gxh3
- 2.Rxh3#
- 1...d5!
- threat
- 1.Qe2?
- threat
- 2.Se4#
- 1...Sf2
- 2.Qxf2#
- 1...Sc3
- 2.Qf2#
- 1...d5!
- threat
- 1.Qc6?
- threat
- 2.Qxd6#
- 1...d5
- 2.Qd6#
- 2.Qc7#
- 1...gxh3!
- threat
- 1.e4?
- 1...gxh3
- 2.Rxh3#
- 1...d5
- 2.Qc7#
- 1...Sb2
- 2.Qf2#
- 1...Sf2
- 2.Qxf2#
- 1...Sc3
- 2.Qf2#
- 1...Se3
- 2.Qf2#
- 1...gxf3!
- 1...gxh3
- 1.fxg4?
- 1...Sxe3
- 2.Qf2#
- 1...d5
- 2.Qc7#
- 1...Sb2
- 2.Qf2#
- 1...Sf2
- 2.Qxf2#
- 1...Sc3
- 2.Qf2#
- 1...hxg4!
- 1...Sxe3
- 1.Kxd1?
- Keys
- 1.0-0!
- 1...Sxe3
- 2.Qf2#
- 1...gxf3
- 2.Rxf3#
- 1...gxh3
- 2.Se4#
- 1...d5
- 2.Qc7#
- 1...Sb2
- 2.Qf2#
- 1...Sf2
- 2.Qxf2#
- 1...Sc3
- 2.Qf2#
- 1...Sxe3
- 1.0-0!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::QAB1(C)
- S(a);N_GUARD::QAB1(C),XS(a)
- S(a);N_GUARD,XP(E)::QAB1(C)
- P(c);SBLOCK,XP(F)::S(I)
- P(c);OGATE,XB(G)::R1(B),XP(c)
- P(e);OGATEB::QAB(C)
- Tries
- Try
- K(A);P-FLIGHT,XS(a)
- Vars
- P(c);SBLOCK,XP(F)::S(I)
- P(c);OGATE,XB(G)::R1(B),XP(c)
- Refutation
- P(e);
- Try
- K(A);P-FLIGHT
- Vars
- P(c);SBLOCK,XP(F)::S(I)
- P(c);OGATE,XB(G)::R1(B),XP(c)
- S(a);N_GUARD::QAB1(C)
- S(a);N_GUARD::QAB1(C),XS(a)
- P(e);OGATEB::QAB(C)
- Refutation
- S(a);CHECK,XP(E)
- Try
- B(G);XP(c)
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::QAB1(C),XS(a)
- P(e);::R1(B)
- Refutation
- P(d);XB(G)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- P(c);OGATE,XB(G)::QAR1(C),XP(c)
- S(a);::QAB1(C)
- Refutation
- P(f);XQ(C)
- Try
- Q(C);XP(f)
- Threat
- QAB(C),XP(e)
- Vars
- P(e);::QAB(C)
- Refutation
- P(c);XB(G)
- Try
- Q(C);
- Vars
- S(a);N_GUARD,XP(E)::QAB1(C)
- P(c);SBLOCK,XP(F)::S(I)
- P(c);OGATE,XB(G)::R1(B),XP(c)
- S(a);N_GUARD::QAB1(C),XS(a)
- S(a);N_GUARD::QAB1(C)
- Refutation
- S(a);XQ(C)
- Try
- Q(C);
- Threat
- QAB(C),XP(e)
- Vars
- P(c);OGATE,XB(G)::R1(B),XP(c)
- Refutation
- P(e);
- Try
- Q(C);
- Threat
- S(I)
- Vars
- S(a);N_GUARD::QAB1(C),XS(a)
- S(a);N_GUARD::QAB1(C)
- Refutation
- P(e);
- Try
- Q(C);
- Threat
- QAB(C),XP(e)
- Refutation
- P(c);XB(G)
- Try
- P(E);
- Vars
- P(c);OGATE,XB(G)::R1(B),XP(c)
- P(e);OGATEB::QAB(C)
- S(a);N_GUARD::QAB1(C)
- S(a);N_GUARD::QAB1(C),XS(a)
- Refutation
- P(c);XP(F)
- Try
- P(F);XP(c)
- Vars
- S(a);N_GUARD,XP(E)::QAB1(C)
- P(e);OGATEB::QAB(C)
- S(a);N_GUARD::QAB1(C)
- S(a);N_GUARD::QAB1(C),XS(a)
- Refutation
- P(d);XP(F)
- Try
- Actual
- K(A);0-0
- Vars
- S(a);N_GUARD,XP(E)::QAB1(C)
- P(c);OGATE,XP(F)::R1(B),XP(c)
- P(c);SBLOCK,XB(G)::S(I)
- P(e);OGATEB::QAB(C)
- S(a);N_GUARD::QAB1(C)
- S(a);N_GUARD::QAB1(C),XS(a)
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).