MESON Chess Problem Database
Problem Display
PID: 179794 (8/2KQ2p1/2p2pP1/4BNp1/p5P1/R2P3R/ppkpn3/rbbn4 w - - 0 1)
Zappas, Byron
The Problemist, 1979
#2
9 + 14
| 102 | Probleemblad | 1979 |
SOLUTION
- SOUND
- Sets
- 1...Sf2
- 2.Se3#
- 1...Sdc3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg1
- 2.Sd4#
- 1...Sec3
- 2.Sd4#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf4
- 2.Sd4#
- 1...c5
- 2.Qxa4#
- 1...Sf2
- Tries
- 1.Kb6?
- 1...Sf2
- 2.Se3#
- 1...Sdc3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg1
- 2.Sd4#
- 1...Sec3
- 2.Sd4#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf4
- 2.Sd4#
- 1...c5
- 2.Qxa4#
- 1...fxe5!
- 1...Sf2
- 1.Kxc6?
- 1...Sd4+
- 2.Sxd4#
- 1...Sf2
- 2.Se3#
- 1...Sdc3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg1
- 2.Sd4#
- 1...Sec3
- 2.Sd4#
- 1...Sg3
- 2.Sd4#
- 1...Sf4
- 2.Sd4#
- 1...fxe5!
- 1...Sd4+
- 1.Kb7?
- 1...Sf2
- 2.Se3#
- 1...Sdc3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg1
- 2.Sd4#
- 1...Sec3
- 2.Sd4#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf4
- 2.Sd4#
- 1...c5
- 2.Qxa4#
- 1...fxe5!
- 1...Sf2
- 1.Kb8?
- 1...Sf2
- 2.Se3#
- 1...Sdc3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg1
- 2.Sd4#
- 1...Sec3
- 2.Sd4#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf4
- 2.Sd4#
- 1...c5
- 2.Qxa4#
- 1...fxe5!
- 1...Sf2
- 1.Kc8?
- 1...Sf2
- 2.Se3#
- 1...Sdc3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg1
- 2.Sd4#
- 1...Sec3
- 2.Sd4#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf4
- 2.Sd4#
- 1...c5
- 2.Qxa4#
- 1...fxe5!
- 1...Sf2
- 1.Kd8?
- 1...Sf2
- 2.Se3#
- 1...Sdc3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg1
- 2.Sd4#
- 1...Sec3
- 2.Sd4#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf4
- 2.Sd4#
- 1...c5
- 2.Qxa4#
- 1...fxe5!
- 1...Sf2
- 1.Bc3?
- 1...Sdxc3
- 2.Se3#
- 1...Sexc3
- 2.Sd4#
- 1...Sf2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg1
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf4
- 2.Sd4#
- 1...c5
- 2.Qxa4#
- 1...Sg3!
- 1...Sdxc3
- 1.Bg3?
- 1...Sxg3
- 2.Sd4#
- 1...Sf2
- 2.Se3#
- 1...Sdc3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg1
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf4
- 2.Sd4#
- 1...c5
- 2.Qxa4#
- 1...Sec3!
- 1...Sxg3
- 1.Bf4?
- 1...Sxf4
- 2.Sd4#
- 1...Sf2
- 2.Se3#
- 1...Sdc3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg1
- 2.Sd4#
- 1...Sec3
- 2.Sd4#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...c5
- 2.Qxa4#
- 1...gxf4!
- 1...Sxf4
- 1.Bd6?
- 1...Sf2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg1
- 2.Sd4#
- 1...Sec3
- 2.Sd4#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf4
- 2.Sd4#
- 1...c5
- 2.Qxa4#
- 1...Sdc3!
- 1...Sf2
- 1.Bxf6?
- 1...Sf2
- 2.Se3#
- 1...Sdc3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg1
- 2.Sd4#
- 1...Sec3
- 2.Sd4#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf4
- 2.Sd4#
- 1...c5
- 2.Qxa4#
- 1...gxf6!
- 1...Sf2
- 1.Rc3+?
- 1...Sexc3
- 2.Sd4#
- 1...Sdxc3!
- 1...Sexc3
- 1.Rf3?
- 1...Sf2
- 2.Se3#
- 1...Sdc3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sec3
- 2.Sd4#
- 1...Sg1
- 2.Sd4#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf4
- 2.Sd4#
- 1...c5
- 2.Qxa4#
- 1...fxe5!
- 1...Sf2
- 1.Rg3?
- 1...Sxg3
- 2.Sd4#
- 1...Sf2
- 2.Se3#
- 1...Sdc3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sec3
- 2.Sd4#
- 1...Sg1
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf4
- 2.Sd4#
- 1...c5
- 2.Qxa4#
- 1...fxe5!
- 1...Sxg3
- 1.Qxc6+?
- 1...Sec3
- 2.Sd4#
- 1...Sdc3!
- 1...Sec3
- 1.Qd4?
- threat
- 2.Qxa4#
- 1...Sxd4
- 2.Sxd4#
- 1...Sdc3
- 2.Se3#
- 1...Sec3!
- threat
- 1.Kb6?
- Keys
- 1.Bh2!
- 1...Sf2
- 2.Se3#
- 1...Sdc3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg1
- 2.Sd4#
- 1...Sec3
- 2.Sd4#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf4
- 2.Sd4#
- 1...c5
- 2.Qxa4#
- 1...Sf2
- 1.Bh2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(d);N_GUARD::S(F)
- S(d);N_GUARD::S(F),XS(d)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD::S(F),XS(i)
- P(l);OGATE::QAB(I),XP(j)
- Tries
- Try
- K(H);S_FLIGHT
- Vars
- S(d);N_GUARD::S(F)
- S(d);N_GUARD::S(F),XS(d)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD::S(F),XS(i)
- P(l);OGATE::QAB(I),XP(j)
- Refutation
- P(m);XB(E)
- Try
- K(H);P-FLIGHT,XP(l)
- Vars
- S(i);CHECK,N_GUARD::S(F),XS(i)
- S(d);N_GUARD::S(F)
- S(d);N_GUARD::S(F),XS(d)
- S(i);N_GUARD::S(F)
- Refutation
- P(m);XB(E)
- Try
- K(H);P-FLIGHT
- Vars
- S(d);N_GUARD::S(F)
- S(d);N_GUARD::S(F),XS(d)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD::S(F),XS(i)
- P(l);OGATE::QAB(I),XP(j)
- Refutation
- P(m);XB(E)
- Try
- K(H);S_FLIGHT
- Vars
- S(d);N_GUARD::S(F)
- S(d);N_GUARD::S(F),XS(d)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD::S(F),XS(i)
- P(l);OGATE::QAB(I),XP(j)
- Refutation
- P(m);XB(E)
- Try
- K(H);P-FLIGHT
- Vars
- S(d);N_GUARD::S(F)
- S(d);N_GUARD::S(F),XS(d)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD::S(F),XS(i)
- P(l);OGATE::QAB(I),XP(j)
- Refutation
- P(m);XB(E)
- Try
- K(H);S_FLIGHT
- Vars
- S(d);N_GUARD::S(F)
- S(d);N_GUARD::S(F),XS(d)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD::S(F),XS(i)
- P(l);OGATE::QAB(I),XP(j)
- Refutation
- P(m);XB(E)
- Try
- B(E);
- Vars
- S(d);N_GUARD,XB(E)::S(F)
- S(i);N_GUARD,XB(E)::S(F)
- S(d);N_GUARD::S(F)
- S(d);N_GUARD::S(F),XS(d)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD::S(F),XS(i)
- P(l);OGATE::QAB(I),XP(j)
- Refutation
- S(i);
- Try
- B(E);
- Vars
- S(i);N_GUARD,XB(E)::S(F)
- S(d);N_GUARD::S(F)
- S(d);N_GUARD::S(F),XS(d)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD::S(F),XS(i)
- P(l);OGATE::QAB(I),XP(j)
- Refutation
- S(i);
- Try
- B(E);
- Vars
- S(i);N_GUARD,XB(E)::S(F)
- S(d);N_GUARD::S(F)
- S(d);N_GUARD::S(F),XS(d)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD::S(F),XS(i)
- P(l);OGATE::QAB(I),XP(j)
- Refutation
- P(k);XB(E)
- Try
- B(E);
- Vars
- S(d);N_GUARD::S(F)
- S(d);N_GUARD::S(F),XS(d)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD::S(F),XS(i)
- P(l);OGATE::QAB(I),XP(j)
- Refutation
- S(d);
- Try
- B(E);XP(m)
- Vars
- S(d);N_GUARD::S(F)
- S(d);N_GUARD::S(F),XS(d)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD::S(F),XS(i)
- P(l);OGATE::QAB(I),XP(j)
- Refutation
- P(n);XB(E)
- Try
- R(A);CHECK
- Vars
- S(i);SBLOCK,XR(A)::S(F)
- Refutation
- S(d);XR(A)
- Try
- R(C);
- Vars
- S(d);N_GUARD::S(F)
- S(d);N_GUARD::S(F),XS(d)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD::S(F),XS(i)
- P(l);OGATE::QAB(I),XP(j)
- Refutation
- P(m);XB(E)
- Try
- R(C);
- Vars
- S(i);N_GUARD,XR(C)::S(F)
- S(d);N_GUARD::S(F)
- S(d);N_GUARD::S(F),XS(d)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD::S(F),XS(i)
- P(l);OGATE::QAB(I),XP(j)
- Refutation
- P(m);XB(E)
- Try
- Q(I);CHECK,XP(l)
- Vars
- S(i);P_SPINS(i)::S(F)
- Refutation
- S(d);P_SPINS(d)
- Try
- Q(I);
- Threat
- QAB(I),XP(j)
- Vars
- S(i);XQ(I)::S(F),XS(i)
- S(d);N_GUARD::S(F)
- Refutation
- S(i);
- Try
- Actual
- B(E);
- Vars
- S(d);N_GUARD::S(F)
- S(d);N_GUARD::S(F),XS(d)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD::S(F),XS(i)
- P(l);OGATE::QAB(I),XP(j)
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).