MESON Chess Problem Database
Problem Display
PID: 256556 (K5nn/6Q1/4R2p/3Rpk2/2p1rN1P/4p3/4N3/b6b w - - 0 1)
Myllyniemi, Matti Arvo
Springaren, 1955
#2
7 + 10
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rd4
- 2.Rxe5#
- 1...Sf6
- 2.Rxf6#
- 1...Se7
- 2.Rf6#
- 1...Sg6
- 2.Qxg6#
- 1...Sf7
- 2.Qg6#
- 1...h5
- 2.Qg5#
- 1...Rd4
- Tries
- 1.Ra6?
- threat
- 2.Qd7#
- 1...Rxf4
- 2.Sg3#
- 1...Sf6
- 2.Rxf6#
- 1...Se7
- 2.Rf6#
- 1...Sf7
- 2.Qg6#
- 1...Rd4!
- threat
- 1.Rb6?
- threat
- 2.Qd7#
- 1...Rxf4
- 2.Sg3#
- 1...Sf6
- 2.Rxf6#
- 1...Se7
- 2.Rf6#
- 1...Sf7
- 2.Qg6#
- 1...Rd4!
- threat
- 1.Red6?
- threat
- 2.Qd7#
- 1...Rxf4
- 2.Sg3#
- 1...Sf6
- 2.Rxf6#
- 1...Se7
- 2.Rf6#
- 1...Sf7
- 2.Qg6#
- 1...Rd4!
- threat
- 1.Rg6?
- threat
- 2.Qd7#
- 1...Rxf4
- 2.Sg3#
- 1...Sxg6
- 2.Qxg6#
- 1...Rd4
- 2.Qxe5#
- 1...Sf6
- 2.Rxf6#
- 2.Qxf6#
- 1...Se7
- 2.Rf6#
- 2.Qf6#
- 1...Sf7!
- threat
- 1.Rxh6?
- threat
- 2.Rh5#
- 2.Qg5#
- 2.Qd7#
- 1...Rxf4
- 2.Sg3#
- 1...Sxh6
- 2.Qg5#
- 1...Sg6
- 2.Qxg6#
- 1...Bf3
- 2.Qg5#
- 2.Qd7#
- 1...Sf6
- 2.Rxf6#
- 2.Qg5#
- 1...Se7
- 2.Rh5#
- 2.Rf6#
- 2.Qg5#
- 1...Sf7
- 2.Qg6#
- 1...Rd4!
- threat
- 1.Qh7+?
- 1...Sg6
- 2.Qxg6#
- 1...Kg4!
- 1...Sg6
- 1.Ra6?
- Keys
- 1.Rc6!
- threat
- 2.Qd7#
- 1...Rxf4
- 2.Sg3#
- 1...Rd4
- 2.Rxe5#
- 1...Sf6
- 2.Rxf6#
- 1...Se7
- 2.Rf6#
- 1...Sf7
- 2.Qg6#
- threat
- 1.Rc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- R(e);N_GUARD,P_PINR(D),S_CUTB(a)::R1(E),XP(f)
- S(i);N_GUARD::R1(E),XS(i)
- S(i);N_GUARD::R1(E)
- S(j);N_GUARD::QAB1(F),XS(j)
- S(j);N_GUARD::QAB1(F)
- P(h);N_GUARD::QAR1(F)
- Tries
- Try
- R(E);
- Threat
- QAB(F)
- Vars
- R(e);P_PINR(D),SBLOCK,XS(B)::S(A)
- S(i);N_GUARD::R1(E),XS(i)
- S(i);N_GUARD::R1(E)
- S(j);N_GUARD::QAB1(F)
- Refutation
- R(e);P_PINR(D)
- Try
- R(E);
- Threat
- QAB(F)
- Vars
- R(e);P_PINR(D),SBLOCK,XS(B)::S(A)
- S(i);N_GUARD::R1(E),XS(i)
- S(i);N_GUARD::R1(E)
- S(j);N_GUARD::QAB1(F)
- Refutation
- R(e);P_PINR(D)
- Try
- R(E);
- Threat
- QAB(F)
- Vars
- R(e);P_PINR(D),SBLOCK,XS(B)::S(A)
- S(i);N_GUARD::R1(E),XS(i)
- S(i);N_GUARD::R1(E)
- S(j);N_GUARD::QAB1(F)
- Refutation
- R(e);P_PINR(D)
- Try
- R(E);
- Threat
- QAB(F)
- Vars
- R(e);P_PINR(D),SBLOCK,XS(B)::S(A)
- S(j);OGATE,XR(E)::QAB1(F),XS(j)
- R(e);N_GUARD,P_PINR(D),S_CUTB(a)::QAR1(F),XP(f)
- Refutation
- S(j);
- Try
- R(E);XP(h)
- Threat
- DUALS(3)
- Vars
- R(e);P_PINR(D),SBLOCK,XS(B)::S(A)
- S(i);XR(E)::QAR1(F)
- S(j);N_GUARD::QAB1(F),XS(j)
- S(j);N_GUARD::QAB1(F)
- Refutation
- R(e);P_PINR(D)
- Try
- Q(F);CHECK
- Vars
- S(j);N_GUARD,P_SPINS(j)::QAB1(F),XS(j)
- Refutation
- K(g);N_SPINP(f),S_FLIGHT
- Try
- Actual
- R(E);
- Threat
- QAB(F)
- Vars
- R(e);SBLOCK,XS(B)::S(A)
- R(e);N_GUARD,S_CUTB(a)::R1(D),XP(f)
- S(i);N_GUARD::R1(E),XS(i)
- S(i);N_GUARD::R1(E)
- S(j);N_GUARD::QAB1(F)
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).