MESON Chess Problem Database
Problem Display
PID: 12247 (B4qn1/5P2/p6b/2pPN2r/4k3/2Q2R1p/4PP2/K7 w - - 0 1)
Marandiuk, Mikhail Nazarovich
5th Place, Match: USSR - Yugoslavia, 1976
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Qg7
- 2.d6#
- 1...Rxe5
- 2.Qd3#
- 2.Qc4#
- 1...Rg5
- 2.Qe3#
- 1...Be3
- 2.Qxe3#
- 1...Bg7
- 2.Qe3#
- 1...Qg7
- Tries
- 1.Sd3?
- threat
- 2.Qc4#
- 1...Bf4
- 2.Rxf4#
- 1...Qg7
- 2.Sxc5#
- 1...Bg7
- 2.Rf4#
- 1...c4
- 2.Qxc4#
- 1...Be3!
- threat
- 1.Sg6?
- threat
- 2.Qd3#
- 2.Qc4#
- 1...Bf4
- 2.Rxf4#
- 2.Qd3#
- 1...Be3
- 2.Qd3#
- 2.Qxe3#
- 1...Bg7
- 2.Rf4#
- 1...c4
- 2.Qxc4#
- 1...Qg7!
- threat
- 1.Sd7?
- threat
- 2.Qd3#
- 2.Qc4#
- 1...Bf4
- 2.Qd3#
- 1...Qg7
- 2.Sxc5#
- 1...Be3
- 2.Qd3#
- 2.Qxe3#
- 1...c4
- 2.Qxc4#
- 1...Bg7!
- threat
- 1.Sd3?
- Keys
- 1.Sc4!
- threat
- 2.Qd3#
- 1...Qg7
- 2.Sd6#
- 1...Bg7
- 2.Sd2#
- threat
- 1.Sc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- Q(g);N_GUARD::B(I)+P(F)
- R(d);S_CUTB(f)::QAR1(D)
- B(f);N_GUARD::QAR1(D),XB(f)
- B(f);N_GUARD::QAR1(D)
- Tries
- Try
- S(G);
- Threat
- QAR2(D)
- Vars
- B(f);N_GUARD::R1(E),XB(f)
- Q(g);N_GUARD,P_PINQ(D)::S(G),XP(c)
- B(f);N_GUARD,P_PINQ(D)::R1(E)
- P(c);::QAR2(D),XP(c)
- Refutation
- B(f);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- B(f);N_GUARD,P_PINQ(D)::R1(E)
- P(c);::QAR2(D),XP(c)
- Refutation
- Q(g);P_PINQ(D)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- B(f);::QAB1(D)
- Q(g);N_GUARD,P_PINQ(D)::S(G),XP(c)
- P(c);::QAR2(D),XP(c)
- Refutation
- B(f);P_PINQ(D)
- Try
- Actual
- S(G);
- Threat
- QAB1(D)
- Vars
- Q(g);N_GUARD,P_PINQ(D)::S(G)
- B(f);N_GUARD,P_PINQ(D)::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).