MESON Chess Problem Database
Problem Display
PID: 149659 (2Q5/1p6/bN2R1p1/3N4/3k4/K2n4/3Bn3/1B2b1q1 w - - 0 1)
Zhebenev, Valery Oleksandrovich
Tubinskaya Pravda, 1963
#2
7 + 8
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Qh2
- 2.Be3#
- 1...Qe3
- 2.Bxe3#
- 1...Qf1
- 2.Be3#
- 1...Qh1
- 2.Be3#
- 1...Qg2
- 2.Be3#
- 1...Qg4
- 2.Be3#
- 1...Bc4
- 2.Qxc4#
- 1...Sec1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Sef4
- 2.Qc3#
- 1...Sdc1
- 2.Re4#
- 1...Sb2
- 2.Re4#
- 1...Sf2
- 2.Be3#
- 1...Sb4
- 2.Re4#
- 1...Sdf4
- 2.Re4#
- 1...Sc5
- 2.Qh8#
- 1...Qh2
- Tries
- 1.Sc3?
- threat
- 2.Sxe2#
- 2.Re4#
- 1...Sxc3
- 2.Qxc3#
- 1...Qf2
- 2.Re4#
- 1...Qh2
- 2.Be3#
- 2.Re4#
- 1...Qe3
- 2.Bxe3#
- 1...Qf1
- 2.Be3#
- 2.Re4#
- 1...Qh1
- 2.Sxe2#
- 2.Be3#
- 1...Qg2
- 2.Be3#
- 1...Qg4
- 2.Be3#
- 1...Sec1
- 2.Re4#
- 1...Sef4
- 2.Re4#
- 1...Sdc1
- 2.Re4#
- 1...Sb2
- 2.Re4#
- 1...Sf2
- 2.Be3#
- 1...Sb4
- 2.Re4#
- 1...Sdf4
- 2.Re4#
- 1...Sc5
- 2.Qh8#
- 1...Se5
- 2.Rd6#
- 1...Sg3!
- threat
- 1.Se3?
- threat
- 2.Sc2#
- 1...Qxe3
- 2.Bxe3#
- 1...Sdc1
- 2.Re4#
- 1...Sb2
- 2.Re4#
- 1...Sb4
- 2.Re4#
- 1...Sdf4
- 2.Re4#
- 1...Sc5
- 2.Qh8#
- 1...Se5
- 2.Rd6#
- 1...Sf2!
- threat
- 1.Sf4?
- threat
- 2.Sxe2#
- 1...Sexf4
- 2.Qc3#
- 1...Sdxf4
- 2.Re4#
- 1...Qh2
- 2.Be3#
- 1...Qe3
- 2.Bxe3#
- 1...Qf1
- 2.Be3#
- 1...Qg2
- 2.Be3#
- 1...Qg4
- 2.Be3#
- 1...Sec1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Sdc1
- 2.Re4#
- 1...Sb2
- 2.Re4#
- 1...Sf2
- 2.Be3#
- 1...Sb4
- 2.Re4#
- 1...Sc5
- 2.Qh8#
- 1...Se5
- 2.Rd6#
- 1...Qf2!
- threat
- 1.Sf6?
- threat
- 2.Re4#
- 1...Qe3
- 2.Bxe3#
- 1...Qh1
- 2.Be3#
- 1...Qg2
- 2.Be3#
- 1...Qg4
- 2.Be3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Sf2
- 2.Be3#
- 1...Se5
- 2.Rd6#
- 1...Sc5!
- threat
- 1.Sc3?
- Keys
- 1.Sb4!
- threat
- 2.Sc2#
- 1...Sxb4
- 2.Re4#
- 1...Sdc1
- 2.Re4#
- 1...Sb2
- 2.Re4#
- 1...Sf2
- 2.Be3#
- 1...Sdf4
- 2.Re4#
- 1...Sc5
- 2.Qh8#
- 1...Se5
- 2.Rd6#
- threat
- 1.Sb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- Q(b);N_GUARD::B(B)
- Q(b);N_GUARD::B(B),XQ(b)
- B(f);N_GUARD::QAR1(G),XB(f)
- S(c);N_GUARD::QAB1(G)
- S(c);N_GUARD::QAB1(G),XS(c)
- S(d);::R1(F)
- S(d);S_CUTQ(b)::B(B)
- S(d);N_GUARD,SBLOCK::QAB(G)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- S(c);OGATE,XS(D)::QAB1(G),XS(c)
- Q(b);::R1(F)
- Q(b);N_GUARD::B(B),XQ(b)
- Q(b);N_GUARD::B(B)
- S(c);::R1(F)
- S(d);::R1(F)
- S(d);S_CUTQ(b)::B(B)
- S(d);N_GUARD,SBLOCK::QAB(G)
- S(d);SBLOCK::R(F)
- Refutation
- S(c);
- Try
- S(D);
- Threat
- S(D)
- Vars
- Q(b);OGATE,XS(D)::B(B),XQ(b)
- S(d);::R1(F)
- S(d);N_GUARD,SBLOCK::QAB(G)
- S(d);SBLOCK::R(F)
- Refutation
- S(d);
- Try
- S(D);
- Threat
- S(D),XS(c)
- Vars
- S(c);N_GUARD,XS(D)::QAB1(G)
- S(d);XS(D)::R1(F)
- Q(b);N_GUARD::B(B)
- Q(b);N_GUARD::B(B),XQ(b)
- S(c);N_GUARD::QAB1(G)
- S(c);N_GUARD::QAB1(G),XS(c)
- S(d);::R1(F)
- S(d);S_CUTQ(b)::B(B)
- S(d);N_GUARD,SBLOCK::QAB(G)
- S(d);SBLOCK::R(F)
- Refutation
- Q(b);
- Try
- S(D);
- Threat
- R1(F)
- Vars
- Q(b);N_GUARD::B(B),XQ(b)
- Q(b);N_GUARD::B(B)
- S(c);N_GUARD::QAB1(G),XS(c)
- S(c);N_GUARD::QAB1(G)
- S(d);S_CUTQ(b)::B(B)
- S(d);SBLOCK::R(F)
- Refutation
- S(d);
- Try
- Actual
- S(D);
- Threat
- S(D)
- Vars
- S(d);XS(D)::R1(F)
- S(d);::R1(F)
- S(d);S_CUTQ(b)::B(B)
- S(d);N_GUARD,SBLOCK::QAB(G)
- S(d);SBLOCK::R(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).