MESON Chess Problem Database
Problem Display
PID: 229212 (8/B1N5/1rp2p2/b4Bp1/1p4R1/nPkP3p/K6R/8 w - - 0 1)
Regos, Imre
Magyar Sakkvilag, 1926
#2
8 + 9
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rb5
- 2.Bd4#
- 1...Ra6
- 2.Bd4#
- 1...Rb7
- 2.Bd4#
- 1...Rb8
- 2.Bd4#
- 1...Sb1
- 2.Rc4#
- 1...Sc2
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sb5
- 2.Rc4#
- 1...c5
- 2.Sd5#
- 1...Rb5
- Tries
- 1.Sb5+?
- 1...Rxb5
- 2.Bd4#
- 1...Sxb5
- 2.Rc4#
- 1...cxb5!
- 1...Rxb5
- 1.Sa6?
- 1...Rxa6
- 2.Bd4#
- 1...Rb5
- 2.Bd4#
- 1...Rb7
- 2.Bd4#
- 1...Rb8
- 2.Bd4#
- 1...Sb1
- 2.Rc4#
- 1...Sc2
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sb5
- 2.Rc4#
- 1...c5!
- 1...Rxa6
- 1.Se6?
- 1...Rb5
- 2.Bd4#
- 1...Ra6
- 2.Bd4#
- 1...Rb7
- 2.Bd4#
- 1...Rb8
- 2.Bd4#
- 1...Sb1
- 2.Rc4#
- 1...Sc2
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sb5
- 2.Rc4#
- 1...c5!
- 1...Rb5
- 1.Sa8?
- 1...Rb5
- 2.Bd4#
- 1...Ra6
- 2.Bd4#
- 1...Rb7
- 2.Bd4#
- 1...Rb8
- 2.Bd4#
- 1...Sb1
- 2.Rc4#
- 1...Sc2
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sb5
- 2.Rc4#
- 1...c5!
- 1...Rb5
- 1.Se8?
- 1...Rb5
- 2.Bd4#
- 1...Ra6
- 2.Bd4#
- 1...Rb7
- 2.Bd4#
- 1...Rb8
- 2.Bd4#
- 1...Sb1
- 2.Rc4#
- 1...Sc2
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sb5
- 2.Rc4#
- 1...c5!
- 1...Rb5
- 1.Bg6?
- 1...c5
- 2.Sd5#
- 1...Rb5
- 2.Bd4#
- 1...Ra6
- 2.Bd4#
- 1...Rb7
- 2.Bd4#
- 1...Rb8
- 2.Bd4#
- 1...Sb1
- 2.Rc4#
- 1...Sc2
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sb5
- 2.Rc4#
- 1...f5!
- 1...c5
- 1.Bh7?
- 1...c5
- 2.Sd5#
- 1...Rb5
- 2.Bd4#
- 1...Ra6
- 2.Bd4#
- 1...Rb7
- 2.Bd4#
- 1...Rb8
- 2.Bd4#
- 1...Sb1
- 2.Rc4#
- 1...Sc2
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sb5
- 2.Rc4#
- 1...f5!
- 1...c5
- 1.Bxb6?
- threat
- 2.Bd4#
- 1...c5
- 2.Sd5#
- 1...Sc2
- 2.Rc4#
- 1...Sb5
- 2.Rc4#
- 1...Bxb6!
- threat
- 1.Re2?
- 1...c5
- 2.Sd5#
- 1...Rb5
- 2.Bd4#
- 1...Ra6
- 2.Bd4#
- 1...Rb7
- 2.Bd4#
- 1...Rb8
- 2.Bd4#
- 1...Sb1
- 2.Rc4#
- 1...Sc2
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sb5
- 2.Rc4#
- 1...h2!
- 1...c5
- 1.Rf2?
- 1...c5
- 2.Sd5#
- 1...Rb5
- 2.Bd4#
- 1...Ra6
- 2.Bd4#
- 1...Rb7
- 2.Bd4#
- 1...Rb8
- 2.Bd4#
- 1...Sb1
- 2.Rc4#
- 1...Sc2
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sb5
- 2.Rc4#
- 1...h2!
- 1...c5
- 1.Sb5+?
- Keys
- 1.d4!
- 1...c5
- 2.Sd5#
- 1...Rb5
- 2.Rg3#
- 1...Ra6
- 2.Rg3#
- 1...Rb7
- 2.Rg3#
- 1...Rb8
- 2.Rg3#
- 1...Sb1
- 2.Rc2#
- 1...Sc2
- 2.Rxc2#
- 1...Sc4
- 2.Rc2#
- 1...Sb5
- 2.Rc2#
- 1...c5
- 1.d4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 8
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(g);OGATE::B(G)
- S(a);N_GUARD::R1(E)
- S(a);N_GUARD::R1(E),XS(a)
- P(h);N_GUARD::S(H)
- Tries
- Try
- S(H);CHECK
- Vars
- R(g);OGATE,XS(H)::B(G)
- S(a);XS(H)::R1(E)
- Refutation
- P(h);XS(H)
- Try
- S(H);
- Vars
- R(g);OGATE,XS(H)::B(G)
- R(g);OGATE::B(G)
- S(a);N_GUARD::R1(E)
- S(a);N_GUARD::R1(E),XS(a)
- Refutation
- P(h);
- Try
- S(H);
- Vars
- R(g);OGATE::B(G)
- S(a);N_GUARD::R1(E)
- S(a);N_GUARD::R1(E),XS(a)
- Refutation
- P(h);
- Try
- S(H);
- Vars
- R(g);OGATE::B(G)
- S(a);N_GUARD::R1(E)
- S(a);N_GUARD::R1(E),XS(a)
- Refutation
- P(h);
- Try
- S(H);
- Vars
- R(g);OGATE::B(G)
- S(a);N_GUARD::R1(E)
- S(a);N_GUARD::R1(E),XS(a)
- Refutation
- P(h);
- Try
- B(F);
- Vars
- P(h);N_GUARD::S(H)
- R(g);OGATE::B(G)
- S(a);N_GUARD::R1(E)
- S(a);N_GUARD::R1(E),XS(a)
- Refutation
- P(i);
- Try
- B(F);
- Vars
- P(h);N_GUARD::S(H)
- R(g);OGATE::B(G)
- S(a);N_GUARD::R1(E)
- S(a);N_GUARD::R1(E),XS(a)
- Refutation
- P(i);
- Try
- B(G);XR(g)
- Threat
- B(G)
- Vars
- P(h);N_GUARD::S(H)
- S(a);N_GUARD::R1(E)
- Refutation
- B(e);XB(G)
- Try
- R(B);
- Vars
- P(h);N_GUARD::S(H)
- R(g);OGATE::B(G)
- S(a);N_GUARD::R1(E)
- S(a);N_GUARD::R1(E),XS(a)
- Refutation
- P(c);
- Try
- R(B);
- Vars
- P(h);N_GUARD::S(H)
- R(g);OGATE::B(G)
- S(a);N_GUARD::R1(E)
- S(a);N_GUARD::R1(E),XS(a)
- Refutation
- P(c);
- Try
- Actual
- P(D);
- Vars
- P(h);N_GUARD::S(H)
- R(g);::R(E)
- S(a);N_GUARD::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
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).