MESON Chess Problem Database
Problem Display
PID: 231427 (8/7p/7B/4p3/1p5R/bK1p1k2/1p3P2/1B3Q2 w - - 0 1)
Toth, Gyula
Uj Nemezdek, 1927
#2
6 + 7
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...d2
- 2.Be4#
- 1...e4
- 2.Rf4#
- 1...d2
- Tries
- 1.Ka2?
- 1...d2
- 2.Be4#
- 1...e4
- 2.Rf4#
- 1...b3+!
- 1...d2
- 1.Ka4?
- 1...d2
- 2.Be4#
- 1...e4
- 2.Rf4#
- 1...b3!
- 1...d2
- 1.Kc4?
- 1...d2
- 2.Be4#
- 1...e4
- 2.Rf4#
- 1...b3!
- 1...d2
- 1.Rh3+?
- 1...Ke4
- 2.Qxd3#
- 1...Kg4!
- 1...Ke4
- 1.Re4?
- 1...Kxe4
- 2.Qxd3#
- 1...d2!
- 1...Kxe4
- 1.Rg4?
- 1...d2
- 2.Rg3#
- 1...e4
- 2.Rg3#
- 2.Rf4#
- 1...Kxg4!
- 1...d2
- 1.Ka2?
- Keys
- 1.Rh2!
- 1...Ke4
- 2.Qxd3#
- 1...Kg4
- 2.Qh3#
- 1...d2
- 2.Qd1#
- 1...e4
- 2.Qd1#
- 1...Ke4
- 1.Rh2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- P(c);OGATE::B(A)
- P(f);N_GUARD::R1(E)
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- P(c);OGATE::B(A)
- P(f);N_GUARD::R1(E)
- Refutation
- P(e);CHECK
- Try
- K(D);S_FLIGHT
- Vars
- P(c);OGATE::B(A)
- P(f);N_GUARD::R1(E)
- Refutation
- P(e);
- Try
- K(D);S_FLIGHT
- Vars
- P(c);OGATE::B(A)
- P(f);N_GUARD::R1(E)
- Refutation
- P(e);
- Try
- R(E);CHECK
- Vars
- K(d);P_SPINP(c),S_FLIGHT::QAB1(B),XP(c)
- Refutation
- K(d);S_FLIGHT
- Try
- R(E);
- Vars
- K(d);P_SPINP(c),S_FLIGHT,XR(E)::QAB1(B),XP(c)
- Refutation
- P(c);
- Try
- R(E);
- Vars
- P(c);::R1(E)
- Refutation
- K(d);S_FLIGHT,XR(E)
- Try
- Actual
- R(E);
- Vars
- K(d);P_SPINP(c),S_FLIGHT::QAB1(B),XP(c)
- K(d);S_FLIGHT::QAB1(B)
- P(c);::QAB(B)
- P(f);SBLOCK::QAB(B)
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).