MESON Chess Problem Database
Problem Display
PID: 113360 (2Q5/8/8/8/4n3/3N4/p1R2p1p/Kb1kBrbr w - - 0 1)
Sobek, Karel
Ruch, 1947
#2
5 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxe1
- 2.Sb2#
- 1...Bxc2
- 2.Qg4#
- 1...Sd2
- 2.Rxd2#
- 1...Sc3
- 2.Rd2#
- 1...Sg3
- 2.Rd2#
- 1...Sc5
- 2.Rd2#
- 1...Sg5
- 2.Rd2#
- 1...Sd6
- 2.Rd2#
- 1...Sf6
- 2.Rd2#
- 1...fxe1Q
- 2.Sb2#
- 1...fxe1S
- 2.Sb2#
- 1...fxe1B
- 2.Sb2#
- 1...fxe1R
- 2.Sb2#
- 1...Rxe1
- Tries
- 1.Bb4?
- threat
- 2.Sb2#
- 1...Bxc2
- 2.Qg4#
- 1...Sd2
- 2.Rxd2#
- 1...Sc5
- 2.Rd2#
- 1...Sc3!
- threat
- 1.Ba5?
- threat
- 2.Sb2#
- 1...Bxc2
- 2.Qg4#
- 1...Sd2
- 2.Rxd2#
- 1...Sc5
- 2.Rd2#
- 1...Sc3!
- threat
- 1.Rb2?
- threat
- 2.Qg4#
- 2.Qc1#
- 1...Rxe1
- 2.Qc1#
- 1...fxe1Q
- 2.Qc1#
- 1...fxe1S
- 2.Qc1#
- 1...fxe1B
- 2.Qc1#
- 1...fxe1R
- 2.Qc1#
- 1...Bc2
- 2.Qg4#
- 2.Qxc2#
- 1...Sd2
- 2.Rxd2#
- 1...Sc3
- 2.Rd2#
- 1...Sg3
- 2.Rd2#
- 2.Qc1#
- 1...Sc5
- 2.Rd2#
- 2.Qg4#
- 1...Sg5
- 2.Rd2#
- 2.Qc1#
- 1...Sf6
- 2.Rd2#
- 2.Qc1#
- 1...Bxd3!
- threat
- 1.Qc3?
- threat
- 2.Sb2#
- 1...Sxc3
- 2.Rd2#
- 1...Sd2
- 2.Rxd2#
- 2.Qxd2#
- 1...Bxc2!
- threat
- 1.Qc4?
- 1...Rxe1
- 2.Sb2#
- 1...fxe1Q
- 2.Sb2#
- 1...fxe1S
- 2.Sb2#
- 1...fxe1B
- 2.Sb2#
- 1...fxe1R
- 2.Sb2#
- 1...Sd2
- 2.Rxd2#
- 1...Sc3
- 2.Rd2#
- 1...Sg3
- 2.Rd2#
- 1...Sc5
- 2.Rd2#
- 1...Sg5
- 2.Rd2#
- 1...Sd6
- 2.Rd2#
- 1...Sf6
- 2.Rd2#
- 1...Bxc2!
- 1...Rxe1
- 1.Qc6?
- 1...Rxe1
- 2.Sb2#
- 1...fxe1Q
- 2.Sb2#
- 1...fxe1S
- 2.Sb2#
- 1...fxe1B
- 2.Sb2#
- 1...fxe1R
- 2.Sb2#
- 1...Sd2
- 2.Rxd2#
- 1...Sc3
- 2.Rd2#
- 1...Sc5
- 2.Rd2#
- 1...Sg3
- 2.Rd2#
- 1...Sg5
- 2.Rd2#
- 1...Sd6
- 2.Rd2#
- 1...Sf6
- 2.Rd2#
- 1...Bxc2!
- 1...Rxe1
- 1.Qc7?
- 1...Rxe1
- 2.Sb2#
- 1...fxe1Q
- 2.Sb2#
- 1...fxe1S
- 2.Sb2#
- 1...fxe1B
- 2.Sb2#
- 1...fxe1R
- 2.Sb2#
- 1...Sd2
- 2.Rxd2#
- 1...Sc3
- 2.Rd2#
- 1...Sc5
- 2.Rd2#
- 1...Sg3
- 2.Rd2#
- 1...Sg5
- 2.Rd2#
- 1...Sd6
- 2.Rd2#
- 1...Sf6
- 2.Rd2#
- 1...Bxc2!
- 1...Rxe1
- 1.Bb4?
- Keys
- 1.Qc5!
- 1...Rxe1
- 2.Sb2#
- 1...Bxc2
- 2.Qh5#
- 1...Sxc5
- 2.Rd2#
- 1...fxe1Q
- 2.Sb2#
- 1...fxe1S
- 2.Sb2#
- 1...fxe1B
- 2.Sb2#
- 1...fxe1R
- 2.Sb2#
- 1...Sd2
- 2.Rxd2#
- 1...Sc3
- 2.Rd2#
- 1...Sg3
- 2.Rd2#
- 1...Sg5
- 2.Rd2#
- 1...Sd6
- 2.Rd2#
- 1...Sf6
- 2.Rd2#
- 1...Rxe1
- 1.Qc5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(c);SBLOCK,XB(B)::S(D)
- B(a);SBLOCK,XR(C)::QAB(E)
- S(i);N_GUARD::R1(C),XS(i)
- S(i);N_GUARD::R1(C)
- P(g);SBLOCK,XB(B)::S(D)
- Tries
- Try
- B(B);
- Threat
- S(D)
- Vars
- B(a);SBLOCK,XR(C)::QAB(E)
- S(i);N_GUARD::R1(C),XS(i)
- S(i);N_GUARD::R1(C)
- Refutation
- S(i);
- Try
- B(B);
- Threat
- S(D)
- Vars
- B(a);SBLOCK,XR(C)::QAB(E)
- S(i);N_GUARD::R1(C),XS(i)
- S(i);N_GUARD::R1(C)
- Refutation
- S(i);
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- R(c);XB(B)::QAR1(E)
- P(g);XB(B)::QAR1(E)
- S(i);N_GUARD::R1(C),XS(i)
- S(i);N_GUARD::R1(C)
- Refutation
- B(a);XS(D)
- Try
- Q(E);
- Threat
- S(D)
- Vars
- S(i);N_GUARD,XQ(E)::R1(C)
- Refutation
- B(a);XR(C)
- Try
- Q(E);
- Vars
- R(c);SBLOCK,XB(B)::S(D)
- P(g);SBLOCK,XB(B)::S(D)
- S(i);N_GUARD::R1(C),XS(i)
- S(i);N_GUARD::R1(C)
- Refutation
- B(a);XR(C)
- Try
- Q(E);
- Vars
- R(c);SBLOCK,XB(B)::S(D)
- P(g);SBLOCK,XB(B)::S(D)
- S(i);N_GUARD::R1(C),XS(i)
- S(i);N_GUARD::R1(C)
- Refutation
- B(a);XR(C)
- Try
- Q(E);
- Vars
- R(c);SBLOCK,XB(B)::S(D)
- P(g);SBLOCK,XB(B)::S(D)
- S(i);N_GUARD::R1(C),XS(i)
- S(i);N_GUARD::R1(C)
- Refutation
- B(a);XR(C)
- Try
- Actual
- Q(E);
- Vars
- R(c);SBLOCK,XB(B)::S(D)
- B(a);SBLOCK,XR(C)::QAB(E)
- S(i);N_GUARD,XQ(E)::R1(C)
- P(g);SBLOCK,XB(B)::S(D)
- S(i);N_GUARD::R1(C),XS(i)
- S(i);N_GUARD::R1(C)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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