MESON Chess Problem Database
Problem Display
PID: 263137 (1b5R/3B4/p7/1PPkp3/1PRp1Bp1/1K1p1NQ1/8/8 w - - 0 1)
Labai, Zoltan
Sp. Comm., SuperProblem, 2021
#2
10 + 7
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...exf4
- 2.Rxd4#
- 1...e4
- 2.Rxd4#
- 1...exf4
- Tries
- 1.Sxd4?
- threat
- 2.Bc6#
- 1...Ke4
- 2.Bc6#
- 1...exd4
- 2.Qg2#
- 1...exf4!
- threat
- 1.Bxe5?
- threat
- 2.Rxd4#
- 1...Bxe5
- 2.Qxe5#
- 1...Ke4!
- threat
- 1.Be6+?
- 1...Ke4
- 2.Sd2#
- 2.Sg5#
- 1...Kxe6!
- 1...Ke4
- 1.Re8?
- threat
- 2.Bc6#
- 1...Ke4
- 2.Rxd4#
- 1...axb5!
- threat
- 1.Qxg4?
- threat
- 2.Bc6#
- 1...Ke4
- 2.Bc6#
- 1...axb5!
- threat
- 1.Sxd4?
- Keys
- 1.Rh5!
- threat
- 2.Rxd4#
- 1...Ke4
- 2.Bc6#
- 1...gxf3
- 2.Qxf3#
- threat
- 1.Rh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- P(e);N_GUARD,XB(F)::R1(E),XP(b)
- P(e);N_GUARD::R1(E),XP(b)
- Tries
- Try
- S(B);XP(b)
- Threat
- B(I)
- Vars
- K(d);S_FLIGHT::B(I)
- P(e);N_GUARD,XS(B)::QAB(C)
- Refutation
- P(e);XB(F)
- Try
- B(F);XP(e)
- Threat
- R1(E),XP(b)
- Vars
- B(g);OGATE,XB(F)::QAR1(C),XB(g)
- Refutation
- K(d);P_SPINP(b),S_FLIGHT
- Try
- B(I);CHECK
- Refutation
- K(d);S_FLIGHT,XB(I)
- Try
- R(J);
- Threat
- B(I)
- Vars
- K(d);P_SPINP(b),S_CUTP(e),S_FLIGHT::R1(E),XP(b)
- Refutation
- P(f);XP(G)
- Try
- Q(C);XP(c)
- Threat
- B(I)
- Vars
- K(d);P_SPINP(b),S_FLIGHT::B(I)
- Refutation
- P(f);XP(G)
- Try
- Actual
- R(J);P_PINP(e)
- Threat
- R1(E),XP(b)
- Vars
- K(d);N_GUARD,N_SPINP(e),P_SPINP(b),S_FLIGHT::B(I)
- P(c);OGATE,XS(B)::QAB(C),XP(c)
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).