MESON Chess Problem Database
Problem Display
PID: 225730 (5n1R/r6b/qP3RB1/6p1/prQ3p1/4N2k/1p5p/1K2B3 w - - 0 1)
Reitman, Mark
Praca, 1993
#2
8 + 11
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qc8
- 2.Qf1#
- 1...Qa5
- 2.Qf1#
- 1...Qxb6
- 2.Qf1#
- 1...Rb3
- 2.Qxg4#
- 1...Rb5
- 2.Qf1#
- 2.Qxg4#
- 1...Rxb6
- 2.Qxg4#
- 1...Sd7
- 2.Rxh7#
- 1...Qc8
- Tries
- 1.Bc2?
- threat
- 2.Rh6#
- 1...Qxb6
- 2.Qf1#
- 1...Rxb6
- 2.Qxg4#
- 1...Sg6!
- threat
- 1.Bd3?
- threat
- 2.Rh6#
- 1...Rxb6
- 2.Qxg4#
- 1...Sg6
- 2.Bf1#
- 1...Qxb6!
- threat
- 1.Be4?
- threat
- 2.Rh6#
- 1...Qxb6
- 2.Qf1#
- 1...Sg6
- 2.Bg2#
- 1...Rxb6!
- threat
- 1.Rf3+?
- 1...g3
- 2.Rxg3#
- 1...gxf3!
- 1...g3
- 1.Bc2?
- Keys
- 1.Bf5!
- threat
- 2.Rh6#
- 1...Qxb6
- 2.Qf1#
- 1...Rxb6
- 2.Qxg4#
- 1...Sg6
- 2.Bxg4#
- threat
- 1.Bf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- Q(h);N_GUARD::QAB(D)
- Q(h);N_GUARD,SBLOCK::QAB(D)
- Q(h);N_GUARD,XP(E)::QAB(D)
- R(e);N_GUARD::QAB1(D),XP(f)
- R(e);N_GUARD,XP(E)::QAB1(D),XP(f)
- S(k);N_GUARD,S_CUTR(i)::R(H),XB(j)
- Tries
- Try
- B(G);
- Threat
- R(F)
- Vars
- Q(h);N_GUARD,XP(E)::QAB(D)
- R(e);N_GUARD,XP(E)::QAB1(D),XP(f)
- Refutation
- S(k);N_PINB(G)
- Try
- B(G);
- Threat
- R(F)
- Vars
- R(e);N_GUARD,XP(E)::QAB1(D),XP(f)
- S(k);N_PINB(G)::B(G)
- Refutation
- Q(h);XP(E)
- Try
- B(G);
- Threat
- R(F)
- Vars
- Q(h);N_GUARD,XP(E)::QAB(D)
- S(k);N_PINB(G)::B(G)
- Refutation
- R(e);XP(E)
- Try
- R(F);CHECK
- Vars
- P(f);P_SPINP(f)::R1(F),XP(f)
- Refutation
- P(f);XR(F)
- Try
- Actual
- B(G);P_PINP(f)
- Threat
- R(F)
- Vars
- Q(h);N_GUARD,XP(E)::QAB(D)
- R(e);N_GUARD,XP(E)::QAB1(D),XP(f)
- S(k);N_PINB(G)::B(G),XP(f)
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).