MESON Chess Problem Database
Problem Display
PID: 173255 (1b6/3Q4/B1Nn2p1/8/2pP4/2rkppN1/1Rp5/B1K5 w - - 0 1)
Dyachuk, Vasyl Vasilovich
The Problemist, 2017
#2
8 + 9
SOLUTION
- SOUND
- Sets
- 1...Rb3
- 2.Rxb3#
- 1...Se4
- 2.Sb4#
- 1...Sb5
- 2.Sb4#
- 1...Sf5
- 2.Sb4#
- 1...Sb7
- 2.Sb4#
- 1...Sf7
- 2.Sb4#
- 1...Sc8
- 2.Sb4#
- 1...Se8
- 2.Sb4#
- 1...Rb3
- Tries
- 1.Rxc2?
- threat
- 2.Rxc3#
- 1...Ra3
- 2.Sb4#
- 2.Se5#
- 1...Rb3
- 2.Se5#
- 1...Se4
- 2.Sb4#
- 1...Sb5
- 2.Sb4#
- 1...Rxc2+!
- threat
- 1.Qg4?
- threat
- 2.Sb4#
- 2.Se5#
- 1...Rb3
- 2.Rxb3#
- 1...e2
- 2.Qxf3#
- 1...Se4
- 2.Qxe4#
- 1...Sb5
- 2.Sb4#
- 2.Qe4#
- 2.Qxg6#
- 1...Sf5
- 2.Sb4#
- 2.Qe4#
- 1...Sb7
- 2.Sb4#
- 2.Qe4#
- 2.Qxg6#
- 1...Sf7
- 2.Sb4#
- 2.Qe4#
- 2.Qxg6#
- 1...Sc8
- 2.Sb4#
- 2.Qe4#
- 2.Qxg6#
- 1...Se8
- 2.Sb4#
- 2.Qe4#
- 2.Qxg6#
- 1...Ra3!
- threat
- 1.Rxc2?
- Keys
- 1.Rb3!
- threat
- 2.Rxc3#
- 1...Rxb3
- 2.Se5#
- 1...Se4
- 2.Sb4#
- 1...Sb5
- 2.Sb4#
- threat
- 1.Rb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- R(b);OGATEB::R(C),XR(b)
- S(g);::S(G)
- S(g);N_SPINP(f)::S(G)
- Tries
- Try
- R(C);P_SPINR(C),XP(a)
- Threat
- R1(C),XR(b)
- Vars
- R(b);N_PINR(C)::S(G)
- S(g);::S(G)
- S(g);N_SPINP(f)::S(G)
- Refutation
- R(b);CHECK,XR(C)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- R(b);OGATEB::R(C),XR(b)
- P(d);OGATEB::QAR2(H),XP(e)
- S(g);N_GUARD::QAB1(H),XS(g)
- Refutation
- R(b);
- Try
- Actual
- R(C);P_PINR(b)
- Threat
- R1(C),XR(b)
- Vars
- R(b);N_SPINR(b),XR(C)::S(G)
- S(g);::S(G)
- S(g);N_SPINP(f)::S(G)
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).