MESON Chess Problem Database
Problem Display
PID: 174178 (n1B5/5p2/2p5/1p1kBP2/NP3Pp1/4p1Qp/2PNP3/3n1K2 w - - 0 1)
Buchner, Richard
3rd HM., Arbeiter Zeitung, 1926
#2
11 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sb2
- 2.Sc3#
- 1...Sf2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sb6
- 2.Sxb6#
- 1...Sc7
- 2.Sb6#
- 1...exd2
- 2.Qd3#
- 1...h2
- 2.Qg2#
- 1...bxa4
- 2.c4#
- 1...c5
- 2.Bb7#
- 1...f6
- 2.Be6#
- 1...Sb2
- Tries
- 1.Ke1?
- 1...bxa4
- 2.c4#
- 1...c5
- 2.Bb7#
- 1...Sb2
- 2.Sc3#
- 1...Sf2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sb6
- 2.Sxb6#
- 1...Sc7
- 2.Sb6#
- 1...h2
- 2.Qg2#
- 1...f6
- 2.Be6#
- 1...exd2+!
- 1...bxa4
- 1.Kg1?
- 1...exd2
- 2.Qd3#
- 1...bxa4
- 2.c4#
- 1...c5
- 2.Bb7#
- 1...Sb2
- 2.Sc3#
- 1...Sf2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sb6
- 2.Sxb6#
- 1...Sc7
- 2.Sb6#
- 1...f6
- 2.Be6#
- 1...h2+!
- 1...exd2
- 1.Ba6?
- 1...exd2
- 2.Qd3#
- 1...bxa4
- 2.Bc4#
- 2.c4#
- 1...c5
- 2.Bb7#
- 1...Sf2
- 2.Sc3#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sb6
- 2.Sxb6#
- 1...Sc7
- 2.Sb6#
- 1...h2
- 2.Qg2#
- 1...f6!
- 1...exd2
- 1.Bb7?
- 1...exd2
- 2.Qd3#
- 1...bxa4
- 2.c4#
- 1...Sf2
- 2.Sc3#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sb6
- 2.Sxb6#
- 1...Sc7
- 2.Sb6#
- 1...h2
- 2.Qg2#
- 1...f6!
- 1...exd2
- 1.Bd7?
- 1...exd2
- 2.Qd3#
- 1...bxa4
- 2.c4#
- 1...Sf2
- 2.Sc3#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sb6
- 2.Sxb6#
- 1...Sc7
- 2.Sb6#
- 1...h2
- 2.Qg2#
- 1...f6
- 2.Be6#
- 1...c5!
- 1...exd2
- 1.Qh4?
- threat
- 2.Qd8#
- 1...c5
- 2.Bb7#
- 1...Sb6
- 2.Sxb6#
- 1...f6
- 2.Be6#
- 1...exd2!
- threat
- 1.Qg1?
- threat
- 2.Qh1#
- 1...exd2
- 2.Qd4#
- 1...Sf2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...g3!
- threat
- 1.Qxe3?
- threat
- 2.Qd4#
- 2.Qc5#
- 2.Qb3#
- 2.Qd3#
- 2.Qe4#
- 1...bxa4
- 2.Qd4#
- 2.Qc5#
- 2.Qd3#
- 2.Qe4#
- 2.c4#
- 1...c5
- 2.Bb7#
- 2.Qxc5#
- 2.Qe4#
- 1...Sf2
- 2.Sc3#
- 2.Qd4#
- 2.Qc5#
- 2.Qb3#
- 1...Sb2
- 2.Sc3#
- 2.Qd4#
- 2.Qc5#
- 2.Qe4#
- 1...Sc3
- 2.Sxc3#
- 2.Qd4#
- 2.Qc5#
- 2.Qd3#
- 1...Sb6
- 2.Sxb6#
- 2.Qd4#
- 2.Qc5#
- 2.Qd3#
- 2.Qe4#
- 1...Sxe3+!
- threat
- 1.Qxh3?
- threat
- 2.Qg2#
- 2.Qh1#
- 1...exd2
- 2.Qd3#
- 1...Sf2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...g3
- 2.Qg2#
- 1...gxh3!
- threat
- 1.Qxg4?
- threat
- 2.Qf3#
- 1...Sf2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...exd2!
- threat
- 1.f6?
- 1...exd2
- 2.Qd3#
- 1...bxa4
- 2.c4#
- 1...Sf2
- 2.Sc3#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sb6
- 2.Sxb6#
- 1...Sc7
- 2.Sb6#
- 1...h2
- 2.Qg2#
- 1...c5!
- 1...exd2
- 1.Ke1?
- Keys
- 1.Qf2!
- 1...Sxf2
- 2.Sc3#
- 1...exd2
- 2.Qd4#
- 1...exf2
- 2.e4#
- 1...bxa4
- 2.c4#
- 1...c5
- 2.Bb7#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sb6
- 2.Sxb6#
- 1...Sc7
- 2.Sb6#
- 1...h2
- 2.Qg2#
- 1...g3
- 2.Qf3#
- 1...f6
- 2.Be6#
- 1...Sxf2
- 1.Qf2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- S(i);N_GUARD::S(F),XS(i)
- S(i);N_GUARD::S(F)
- P(b);OGATE,XS(C)::QAR2(E)
- P(c);N_GUARD::QAB(E)
- P(e);N_GUARD,XS(F)::P(B)
- P(g);OGATEB::B(K)
- P(h);N_GUARD::B(K)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- P(e);N_GUARD,XS(F)::P(B)
- P(g);OGATEB::B(K)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- S(i);N_GUARD::S(F),XS(i)
- S(i);N_GUARD::S(F)
- P(c);N_GUARD::QAB(E)
- P(h);N_GUARD::B(K)
- Refutation
- P(b);CHECK,XS(C)
- Try
- K(A);P-FLIGHT
- Vars
- P(b);OGATE,XS(C)::QAR2(E)
- P(e);N_GUARD,XS(F)::P(B)
- P(g);OGATEB::B(K)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- S(i);N_GUARD::S(F),XS(i)
- S(i);N_GUARD::S(F)
- P(h);N_GUARD::B(K)
- Refutation
- P(c);CHECK
- Try
- B(K);
- Vars
- P(b);OGATE,XS(C)::QAR2(E)
- P(g);OGATEB::B(K)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- S(i);N_GUARD::S(F),XS(i)
- S(i);N_GUARD::S(F)
- P(c);N_GUARD::QAB(E)
- Refutation
- P(h);
- Try
- B(K);P_PINP(g)
- Vars
- P(b);OGATE,XS(C)::QAR2(E)
- P(e);N_GUARD,XS(F)::P(B)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- S(i);N_GUARD::S(F),XS(i)
- S(i);N_GUARD::S(F)
- P(c);N_GUARD::QAB(E)
- Refutation
- P(h);
- Try
- B(K);
- Vars
- P(b);OGATE,XS(C)::QAR2(E)
- P(e);N_GUARD,XS(F)::P(B)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- S(i);N_GUARD::S(F),XS(i)
- S(i);N_GUARD::S(F)
- P(c);N_GUARD::QAB(E)
- P(h);N_GUARD::B(K)
- Refutation
- P(g);
- Try
- Q(E);
- Threat
- QAR(E)
- Vars
- P(g);OGATEB::B(K)
- S(i);N_GUARD::S(F),XS(i)
- P(h);N_GUARD::B(K)
- Refutation
- P(b);XS(C)
- Try
- Q(E);
- Threat
- QAB(E)
- Vars
- P(b);OGATE,XS(C)::QAR1(E)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- Refutation
- P(d);
- Try
- Q(E);XP(b)
- Threat
- DUALS(5)
- Refutation
- S(a);CHECK,XQ(E)
- Try
- Q(E);XP(c)
- Threat
- DUALS(2)
- Vars
- P(b);OGATE,XS(C)::QAR2(E)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- P(d);::QAB(E)
- Refutation
- P(d);XQ(E)
- Try
- Q(E);XP(d)
- Threat
- QAB(E)
- Vars
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- Refutation
- P(b);XS(C)
- Try
- P(J);
- Vars
- P(b);OGATE,XS(C)::QAR2(E)
- P(e);N_GUARD,XS(F)::P(B)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- S(i);N_GUARD::S(F),XS(i)
- S(i);N_GUARD::S(F)
- P(c);N_GUARD::QAB(E)
- Refutation
- P(g);
- Try
- Actual
- Q(E);
- Vars
- S(a);N_GUARD,XQ(E)::S(F)
- P(b);OGATE,XS(C)::QAR1(E)
- P(b);OGATE,XQ(E)::P(D)
- P(e);N_GUARD,XS(F)::P(B)
- P(g);OGATEB::B(K)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- S(i);N_GUARD::S(F),XS(i)
- S(i);N_GUARD::S(F)
- P(c);N_GUARD::QAB(E)
- P(d);N_GUARD::QAB(E)
- P(h);N_GUARD::B(K)
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).