MESON Chess Problem Database
Problem Display
PID: 169180 (1R6/2pb1Pp1/2pNp3/2k1p1Pq/2PR1P2/K2p2n1/3P4/Q7 w - - 0 1)
Murashev, Pavel Aleksandrovich
Permyakov, Evgeni Nikolaevich
2nd Prize, SuperProblem 097. TT, 2013
#2
10 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sf1
- 2.Se4#
- 1...Sh1
- 2.Se4#
- 1...Se2
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sf5
- 2.Se4#
- 1...Sf1
- Tries
- 1.Kb3?
- threat
- 2.Qa7#
- 1...exd4
- 2.Qa3#
- 1...Qd1+!
- threat
- 1.Re4?
- threat
- 2.Qxe5#
- 1...Kxd6
- 2.f8Q#
- 2.f8B#
- 1...exf4
- 2.Qd4#
- 2.Qe5#
- 1...cxd6
- 2.Qg1#
- 1...Qxg5!
- threat
- 1.Qb2?
- threat
- 2.Sb7#
- 1...exd4
- 2.Qb4#
- 1...cxd6
- 2.Qb6#
- 1...Bc8!
- threat
- 1.Qg1?
- threat
- 2.Rxd3#
- 2.Rd5#
- 1...cxd6
- 2.Re4#
- 1...Qd1
- 2.Rd5#
- 1...Qe2
- 2.Rd5#
- 1...Qf3
- 2.Rd5#
- 1...Qh1
- 2.Rd5#
- 1...Qh2
- 2.Rd5#
- 1...Sf1
- 2.Se4#
- 2.Rd5#
- 1...Sh1
- 2.Se4#
- 2.Rd5#
- 1...Se2
- 2.Se4#
- 2.Rd5#
- 1...Se4
- 2.Sxe4#
- 2.Rd5#
- 1...Sf5
- 2.Se4#
- 2.Rd5#
- 1...e4
- 2.Rd5#
- 1...exd4!
- threat
- 1.f8Q?
- threat
- 2.Se4#
- 2.Sb5#
- 2.Sf5#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 1...Qxg5
- 2.Se4#
- 1...cxd6
- 2.Qxd6#
- 1...Bc8
- 2.Se4#
- 2.Sb5#
- 2.Sf5#
- 2.Sf7#
- 2.Sxc8#
- 2.Se8#
- 1...Qf7
- 2.Se4#
- 2.Sxf7#
- 1...Qe8
- 2.Se4#
- 2.Sxe8#
- 1...Qh8
- 2.Se4#
- 1...Be8
- 2.Se4#
- 2.Sb5#
- 2.Sf5#
- 2.Sf7#
- 2.Sc8#
- 2.Sxe8#
- 1...Se4
- 2.Sxe4#
- 1...Sf5
- 2.Se4#
- 2.Sxf5#
- 1...e4
- 2.Sxe4#
- 2.Sb5#
- 2.Sf5#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 1...exd4!
- threat
- 1.f8B?
- threat
- 2.Se4#
- 2.Sb5#
- 2.Sf5#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 1...Qxg5
- 2.Se4#
- 1...cxd6
- 2.Bxd6#
- 1...Bc8
- 2.Se4#
- 2.Sb5#
- 2.Sf5#
- 2.Sf7#
- 2.Sxc8#
- 2.Se8#
- 1...Qf7
- 2.Se4#
- 2.Sxf7#
- 1...Qe8
- 2.Se4#
- 2.Sxe8#
- 1...Qh8
- 2.Se4#
- 1...Be8
- 2.Se4#
- 2.Sb5#
- 2.Sf5#
- 2.Sf7#
- 2.Sc8#
- 2.Sxe8#
- 1...Se4
- 2.Sxe4#
- 1...Sf5
- 2.Se4#
- 2.Sxf5#
- 1...e4
- 2.Sxe4#
- 2.Sb5#
- 2.Sf5#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 1...exd4!
- threat
- 1.Kb3?
- Keys
- 1.Kb2!
- threat
- 2.Qa7#
- 1...Kxd4
- 2.Qg1#
- 1...exd4
- 2.Qa3#
- threat
- 1.Kb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- S(b);N_GUARD::S(H)
- S(b);N_GUARD::S(H),XS(b)
- Tries
- Try
- K(C);P-FLIGHT
- Threat
- QAB(A)
- Vars
- P(d);SBLOCK,XR(E)::QAB(A)
- Refutation
- Q(e);CHECK
- Try
- R(E);
- Threat
- QAR2(A),XP(d)
- Vars
- K(c);S_FLIGHT,XS(H)::P=Q
- P(h);SBLOCK,XS(H)::QAB(A)
- Refutation
- Q(e);XP(G)
- Try
- Q(A);
- Threat
- S(H)
- Vars
- P(d);SBLOCK,XR(E)::QAB1(A)
- P(h);N_GUARD,XS(H)::QAB1(A)
- Refutation
- B(i);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- P(h);SBLOCK,XS(H)::QAB(A)+R(E)
- Q(e);::QAB(A)+R(E),DCHECK
- P(d);::QAB(A)+R(E),DCHECK
- Refutation
- P(d);P_SPINP(d),XR(E)
- Try
- P(I);
- Threat
- DUALS(6)
- Vars
- Q(e);XP(G)::QAB(I)+S(H),DCHECK
- P(h);OGATE,P_SPINP(h),XS(H)::QAB1(I),XP(h)
- Q(e);::QAB(I)+S(H),DCHECK
- S(b);::QAB(I)+S(H),DCHECK,XS(b)
- Refutation
- P(d);XR(E)
- Try
- P(I);
- Threat
- DUALS(6)
- Vars
- Q(e);XP(G)::B(I)+S(H),DCHECK
- P(h);OGATE,P_SPINP(h),XS(H)::B(I),XP(h)
- Q(e);::B(I)+S(H),DCHECK
- S(b);::B(I)+S(H),DCHECK,XS(b)
- Refutation
- P(d);XR(E)
- Try
- Actual
- K(C);S_FLIGHT
- Threat
- QAB(A)
- Vars
- K(c);OGATEB,S_FLIGHT,XR(E)::QAB(A)
- P(d);SBLOCK,XR(E)::QAB(A)
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).