MESON Chess Problem Database
Problem Display
PID: 261021 (4Rb2/3p4/4p1N1/n2kPp2/3N4/3K4/8/2Q5 w - - 0 1)
Styger, Christian
Comm., Neue Zurcher Zeitung, 2012
#2
6 + 6
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Bc5
- 2.Qh1#
- 1...Sb3
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Sc6
- 2.Qc4#
- 1...Sb7
- 2.Qc4#
- 1...Bc5
- Tries
- 1.Se2?
- threat
- 2.Sef4#
- 1...Bc5
- 2.Qh1#
- 1...Sc4
- 2.Qxc4#
- 1...f4
- 2.Sexf4#
- 1...Bh6!
- threat
- 1.Sb3?
- threat
- 2.Qh1#
- 1...Sxb3
- 2.Qc4#
- 1...f4!
- threat
- 1.Sf3?
- threat
- 2.Sf4#
- 1...Sc4
- 2.Qxc4#
- 1...Bh6
- 2.Se7#
- 1...f4
- 2.Sxf4#
- 1...Bc5!
- threat
- 1.Sb5?
- threat
- 2.Sc7#
- 1...Bc5
- 2.Qh1#
- 1...Sc4
- 2.Qxc4#
- 1...Bd6!
- threat
- 1.Sc6?
- threat
- 2.Sf4#
- 1...Sxc6
- 2.Qc4#
- 1...Bc5
- 2.Qh1#
- 1...Sc4
- 2.Qxc4#
- 1...Bh6
- 2.Sb4#
- 2.Sce7#
- 2.Sge7#
- 1...f4
- 2.Sxf4#
- 1...dxc6!
- threat
- 1.Sxe6?
- threat
- 2.Sef4#
- 2.Sc7#
- 2.Qh1#
- 1...Bc5
- 2.Qh1#
- 2.Qxc5#
- 1...Be7
- 2.Sef4#
- 2.Sc7#
- 1...Sc4
- 2.Qh1#
- 2.Qxc4#
- 1...Bd6
- 2.Sef4#
- 2.Qh1#
- 1...Bh6
- 2.Sc7#
- 2.Qh1#
- 2.Qc5#
- 1...f4
- 2.Sexf4#
- 2.Sc7#
- 1...dxe6!
- threat
- 1.Rxe6?
- threat
- 2.Sf4#
- 1...Sc4
- 2.Qxc4#
- 1...Bh6
- 2.Se7#
- 2.Rd6#
- 1...f4
- 2.Sxf4#
- 1...dxe6!
- threat
- 1.Rc8?
- threat
- 2.Qh1#
- 1...Sc6
- 2.Qc4#
- 1...f4!
- threat
- 1.Qc7?
- threat
- 2.Sf4#
- 1...f4
- 2.Sxf4#
- 1...Bd6
- 2.Qxd6#
- 1...Bh6
- 2.Se7#
- 2.Qxa5#
- 2.Qd6#
- 1...d6
- 2.Qxa5#
- 1...Sc6!
- threat
- 1.Se2?
- Keys
- 1.Sxf5!
- threat
- 2.Se3#
- 1...exf5
- 2.Sf4#
- 1...Bc5
- 2.Qh1#
- 1...Sc4
- 2.Qxc4#
- 1...Bh6
- 2.Sfe7#
- threat
- 1.Sxf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- B(f);SBLOCK::QAB(A)
- S(a);N_GUARD::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- Tries
- Try
- S(C);
- Threat
- S(C)
- Vars
- B(f);SBLOCK::QAB(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- P(c);::S(C),XP(c)
- Refutation
- B(f);
- Try
- S(C);
- Threat
- QAB(A)
- Vars
- S(a);N_GUARD,XS(C)::QAB1(A)
- Refutation
- P(c);
- Try
- S(C);
- Threat
- S(E)
- Vars
- S(a);N_GUARD::QAB1(A),XS(a)
- B(f);N_GUARD::S(E)
- P(c);::S(E),XP(c)
- Refutation
- B(f);
- Try
- S(C);
- Threat
- S(C)
- Vars
- B(f);SBLOCK::QAB(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- Refutation
- B(f);
- Try
- S(C);
- Threat
- S(E)
- Vars
- S(a);N_GUARD,XS(C)::QAB1(A)
- B(f);SBLOCK::QAB(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- P(c);::S(E),XP(c)
- Refutation
- P(e);XS(C)
- Try
- S(C);XP(d)
- Threat
- DUALS(3)
- Refutation
- P(e);XS(C)
- Try
- R(F);XP(d)
- Threat
- S(E)
- Vars
- S(a);N_GUARD::QAB1(A),XS(a)
- P(c);::S(E),XP(c)
- Refutation
- P(e);XR(F)
- Try
- R(F);
- Threat
- QAB(A)
- Vars
- S(a);N_GUARD::QAB1(A)
- Refutation
- P(c);
- Try
- Q(A);
- Threat
- S(E)
- Vars
- P(c);::S(E),XP(c)
- B(f);N_GUARD::QAR1(A),XB(f)
- P(e);S_CUTB(f)::QAR(A),XS(a)
- Refutation
- S(a);
- Try
- Actual
- S(C);XP(c)
- Threat
- S(C)
- Vars
- P(d);XS(C)::S(E)
- B(f);SBLOCK::QAB(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- B(f);N_GUARD::S(C)
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).