MESON Chess Problem Database
Problem Display
PID: 139505 (5Q2/p7/1Np2pr1/2PP1N1b/8/k1P2R2/Pp4r1/1K2B3 w - - 0 1)
Dyachuk, Vasyl Vasilovich
9th HM., The Problemist, 2010
#2
10 + 8
| 56 | The Problemist | 2011 |
SOLUTION
- SOUND
- Sets
- 1...R2g4
- 2.c4#
- 1...R6g4
- 2.c4#
- 1...cxd5
- 2.c6#
- 1...axb6
- 2.Qa8#
- 1...R2g4
- Tries
- 1.Se3?
- threat
- 2.Sec4#
- 1...cxd5
- 2.c6#
- 1...axb6
- 2.Qa8#
- 1...R2g4
- 2.Sc2#
- 1...R6g4!
- threat
- 1.Qa8?
- threat
- 2.Qxa7#
- 1...R2g4
- 2.c4#
- 1...R6g4
- 2.c4#
- 1...a5
- 2.Qxa5#
- 1...a6
- 2.Qxa6#
- 1...Rg7!
- threat
- 1.Qc8?
- threat
- 2.Qa6#
- 1...R2g4
- 2.c4#
- 1...R6g4
- 2.c4#
- 1...a6
- 2.Qxa6#
- 1...a5!
- threat
- 1.Se3?
- Keys
- 1.Sd6!
- threat
- 2.Sdc4#
- 1...cxd5
- 2.Sb5#
- 1...axb6
- 2.Qa8#
- 1...R2g4
- 2.c4#
- 1...R6g4
- 2.c4#
- threat
- 1.Sd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(b);S_CUTB(d)::R(E)+P(D)
- R(g);S_CUTB(d)::R(E)+P(D)
- P(e);OGATE,XP(G)::QAB(J)+P(F)
- P(h);OGATEB,XS(I)::QAR(J)
- Tries
- Try
- S(H);
- Threat
- S(H)
- Vars
- P(e);OGATE,XP(G)::QAB(J)+P(F)
- P(h);OGATEB,XS(I)::QAR(J)
- R(b);N_GUARD::S(H)
- Refutation
- R(g);
- Try
- Q(J);P_PINP(h)
- Threat
- QAR(J),XP(h)
- Vars
- R(b);S_CUTB(d)::R(E)+P(D)
- R(g);S_CUTB(d)::R(E)+P(D)
- P(h);OGATE::QAR2(J),XP(h)
- P(h);OGATE::QAR(J),XP(h)
- Refutation
- R(g);
- Try
- Q(J);
- Threat
- QAR(J)
- Vars
- R(b);S_CUTB(d)::R(E)+P(D)
- R(g);S_CUTB(d)::R(E)+P(D)
- P(h);::QAR(J),XP(h)
- Refutation
- P(h);
- Try
- Actual
- S(H);
- Threat
- S(H)
- Vars
- P(e);N_GUARD,XP(G)::S(H)
- P(h);OGATEB,XS(I)::QAR(J)
- R(b);S_CUTB(d)::R(E)+P(D)
- R(g);S_CUTB(d)::R(E)+P(D)
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).