MESON Chess Problem Database
Problem Display
PID: 134742 (6nQ/1Kn1P2b/4P1k1/1p3p1R/8/p2B1pN1/1r6/Bq5R w - - 0 1)
Kovacevic, Marjan
1st Prize, Zadachi i Etyudi, 2007
#2
9 + 10
| 145 | StrateGems | 2009 |
| 23 | Die Schwalbe | 2014 |
| 56 | The Problemist | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Bxf5#
- 1...Qxa1
- 2.Bxf5#
- 1...Qc1
- 2.Bxf5#
- 1...Qd1
- 2.Bxf5#
- 1...Qe1
- 2.Bxf5#
- 1...Qf1
- 2.Bxf5#
- 1...Qg1
- 2.Bxf5#
- 1...Qxh1
- 2.Bxf5#
- 1...Ra2
- 2.Qg7#
- 2.Qxh7#
- 1...Rc2
- 2.Bxf5#
- 2.Qg7#
- 2.Qxh7#
- 1...Rd2
- 2.Qg7#
- 2.Qxh7#
- 1...Re2
- 2.Qg7#
- 2.Qxh7#
- 1...Rf2
- 2.Qg7#
- 2.Qxh7#
- 1...Rg2
- 2.Qg7#
- 2.Qxh7#
- 1...Rh2
- 2.Qg7#
- 2.Qxh7#
- 1...Rb3
- 2.Qg7#
- 2.Qxh7#
- 1...Rb4
- 2.Qg7#
- 2.Qxh7#
- 1...Sd5
- 2.e8Q#
- 2.e8B#
- 1...Sa6
- 2.e8Q#
- 2.e8B#
- 1...Sxe6
- 2.e8Q#
- 2.e8B#
- 1...Sa8
- 2.e8Q#
- 2.e8B#
- 1...Qa2
- Tries
- 1.Se2?
- threat
- 2.Sf4#
- 1...Rxe2
- 2.Qg7#
- 2.Qxh7#
- 1...Sxe6
- 2.e8Q#
- 2.e8B#
- 1...Qc1
- 2.Bxf5#
- 1...Rb4
- 2.Qg7#
- 2.Qxh7#
- 1...Sd5
- 2.e8Q#
- 2.e8B#
- 1...fxe2!
- threat
- 1.Se4?
- threat
- 2.Rg5#
- 2.Qxh7#
- 1...Qxh1
- 2.Qxh7#
- 1...Sxe6
- 2.Qxh7#
- 2.e8Q#
- 2.e8B#
- 1...Rh2
- 2.Qxh7#
- 1...Qc1
- 2.Qxh7#
- 1...Qg1
- 2.Qxh7#
- 1...Rg2
- 2.Qg7#
- 2.Qxh7#
- 1...Sf6
- 2.Rg5#
- 2.Rh6#
- 2.Qxf6#
- 1...Sh6
- 2.Rg5#
- 2.Rxh6#
- 2.Qf6#
- 1...fxe4!
- threat
- 1.Sxf5?
- threat
- 2.Qg7#
- 1...Qxh1
- 2.Sg3#
- 1...Sxe6
- 2.e8Q#
- 2.e8B#
- 1...Rh2
- 2.Qxh7#
- 1...Se8!
- threat
- 1.Bxb2?
- threat
- 2.Qg7#
- 2.Qxh7#
- 1...Qxb2
- 2.Bxf5#
- 1...Sxe6
- 2.Qxh7#
- 2.e8Q#
- 2.e8B#
- 1...Se8
- 2.Qxh7#
- 1...Sf6
- 2.Qxf6#
- 1...Sh6
- 2.Qf6#
- 2.Qg7#
- 1...axb2!
- threat
- 1.e8S?
- threat
- 2.Qg7#
- 2.Qxh7#
- 1...Sxe6
- 2.Qxh7#
- 1...Sh6
- 2.Qf6#
- 2.Qg7#
- 1...Sf6
- 2.Qxf6#
- 2.Qg7#
- 1...Sxe8!
- threat
- 1.Se2?
- Keys
- 1.Rxf5!
- threat
- 2.Qxh7#
- 1...Qxh1
- 2.Rh5#
- 1...Rh2
- 2.Qg7#
- 1...Sh6
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- threat
- 1.Rxf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 7
- Sets
- Q(a);N_GUARD::B(C),XP(f)
- Q(a);N_GUARD,XB(A)::B(C),XP(f)
- Q(a);N_GUARD,XR(B)::B(C),XP(f)
- S(h);N_GUARD::P=Q
- S(h);N_GUARD,XP(F)::P=Q
- Tries
- Try
- S(D);
- Threat
- S(D)
- Vars
- S(h);N_GUARD,XP(F)::P=Q
- Q(a);N_GUARD::B(C),XP(f)
- S(h);N_GUARD::P=Q
- Refutation
- P(d);XS(D)
- Try
- S(D);N_PINP(f)
- Threat
- DUALS(2)
- Vars
- Q(a);XR(B)::QAB1(I),XB(i)
- R(b);::QAB1(I),XB(i)
- Q(a);::QAB1(I),XB(i)
- Refutation
- P(f);P_SPINP(f),XS(D)
- Try
- S(D);XP(f)
- Threat
- QAR1(I)
- Vars
- Q(a);N_GUARD,XR(B)::B(C)+S(D)
- S(h);N_GUARD,XP(F)::P=Q
- R(b);::QAB1(I),XB(i)
- Refutation
- S(h);
- Try
- B(A);XR(b)
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XB(A)::B(C),XP(f)
- S(h);::QAB1(I),XB(i)
- S(j);N_GUARD::QAR1(I),XS(j)
- Refutation
- P(c);XB(A)
- Try
- P(H);
- Threat
- DUALS(2)
- Vars
- S(h);XP(F)::QAB1(I),XB(i)
- Refutation
- S(h);XS(H)
- Try
- Actual
- R(E);XP(f)
- Threat
- QAB1(I),XB(i)
- Vars
- Q(a);N_GUARD,XR(B)::B(C)+R(E)
- R(b);::QAR1(I)
- S(j);N_GUARD::QAR1(I)
- S(j);N_GUARD::QAR1(I),XS(j)
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).