MESON Chess Problem Database
Problem Display
PID: 19299 (k2K4/1p1R4/NPP1p3/4r3/8/n7/6b1/8 w - - 0 1)
Mikan, Ilja
Sokolske besedy, 1935
#2
5 + 6
| 5505 | Dobrodruzstvi 64 poli | 1973 |
SOLUTION
- SOUND
- Sets
- 1...Re4
- 2.cxb7#
- 1...Rd5
- 2.cxb7#
- 1...Bf1
- 2.cxb7#
- 1...Bh3
- 2.cxb7#
- 1...bxc6
- 2.Ra7#
- 1...Re4
- Tries
- 1.Kc7?
- threat
- 2.Rd8#
- 1...Rd5
- 2.cxb7#
- 1...Sb5+!
- threat
- 1.Kc8?
- threat
- 2.Sc7#
- 1...bxa6
- 2.Ra7#
- 1...Sb5!
- threat
- 1.Ke8?
- threat
- 2.Rd8#
- 1...bxc6
- 2.Ra7#
- 1...Rd5
- 2.cxb7#
- 1...Bxc6!
- threat
- 1.Rxb7?
- threat
- 2.Sc7#
- 2.Ra7#
- 2.Rb8#
- 1...Bxc6
- 2.Ra7#
- 2.Rb8#
- 1...Sb5
- 2.Rb8#
- 1...Rd5+!
- threat
- 1.Rc7?
- threat
- 2.Rc8#
- 1...bxc6
- 2.Ra7#
- 1...Rd5+!
- threat
- 1.c7?
- threat
- 2.c8Q#
- 2.c8R#
- 1...bxa6
- 2.c8Q#
- 2.c8R#
- 1...Re1
- 2.c8Q#
- 2.c8R#
- 1...Re2
- 2.c8Q#
- 2.c8R#
- 1...Re3
- 2.c8Q#
- 2.c8R#
- 1...Re4
- 2.c8Q#
- 2.c8R#
- 1...Ra5
- 2.c8Q#
- 2.c8R#
- 1...Rb5
- 2.c8Q#
- 2.c8R#
- 1...Rd5
- 2.c8Q#
- 2.c8R#
- 1...Rf5
- 2.c8Q#
- 2.c8R#
- 1...Rg5
- 2.c8Q#
- 2.c8R#
- 1...Rh5
- 2.c8Q#
- 2.c8R#
- 1...Bf1
- 2.c8Q#
- 2.c8R#
- 1...Bh1
- 2.c8Q#
- 2.c8R#
- 1...Bf3
- 2.c8Q#
- 2.c8R#
- 1...Bh3
- 2.c8Q#
- 2.c8R#
- 1...Be4
- 2.c8Q#
- 2.c8R#
- 1...Bd5
- 2.c8Q#
- 2.c8R#
- 1...Bc6
- 2.c8Q#
- 2.c8R#
- 1...Sb1
- 2.c8Q#
- 2.c8R#
- 1...Sc2
- 2.c8Q#
- 2.c8R#
- 1...Sc4
- 2.c8Q#
- 2.c8R#
- 1...Sb5
- 2.c8Q#
- 2.c8R#
- 1...Rc5!
- threat
- 1.Kc7?
- Keys
- 1.Ke7!
- threat
- 2.Rd8#
- 1...bxc6
- 2.Ra7#
- 1...Rd5
- 2.cxb7#
- threat
- 1.Ke7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- R(c);S_CUTB(a)::P(C),XP(e)
- R(c);P_PINR(D),S_CUTB(a)::P(C),XP(e)
- B(a);N_GUARD::P(C),XP(e)
- P(e);OGATE,XP(C)::R1(D)
- Tries
- Try
- K(E);S_FLIGHT
- Threat
- R(D)
- Vars
- R(c);S_CUTB(a)::P(C),XP(e)
- Refutation
- S(b);CHECK
- Try
- K(E);P-FLIGHT
- Threat
- S(A)
- Vars
- P(e);OGATE,XS(A)::R1(D)
- Refutation
- S(b);
- Try
- K(E);P-FLIGHT
- Threat
- R(D)
- Vars
- P(e);OGATE,XP(C)::R1(D)
- R(c);S_CUTB(a)::P(C),XP(e)
- Refutation
- B(a);P_PINR(D),XP(C)
- Try
- R(D);XP(e)
- Threat
- DUALS(3)
- Vars
- S(b);::R1(D)
- Refutation
- R(c);CHECK
- Try
- R(D);
- Threat
- R(D)
- Vars
- P(e);OGATE,XP(C)::R1(D)
- Refutation
- R(c);CHECK
- Try
- P(C);
- Threat
- P=Q
- Vars
- P(e);XS(A)::P=Q
- R(c);::P=Q
- R(c);P_PINR(D)::P=Q
- B(a);::P=Q
- S(b);::P=Q
- Refutation
- R(c);
- Try
- Actual
- K(E);S_FLIGHT
- Threat
- R(D)
- Vars
- P(e);OGATE,XP(C)::R1(D)
- R(c);S_CUTB(a)::P(C),XP(e)
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).