MESON Chess Problem Database
Problem Display
PID: 241174 (2K1R3/p1Q5/1p1N3b/1P1p1Pp1/1P1k2p1/r2P3r/1P6/qbBRN3 w - - 0 1)
Heyl, Peter
Sachsische Zeitung, 2006
#2
12 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Qc3#
- 1...Rc3
- 2.Qxc3#
- 1...Raxd3
- 2.Qc3#
- 1...Ra4
- 2.Qc3#
- 1...Ra5
- 2.Qc3#
- 1...Ra6
- 2.Qc3#
- 1...Rh1
- 2.Be3#
- 1...Rh2
- 2.Be3#
- 1...Rhxd3
- 2.Be3#
- 1...Re3
- 2.Bxe3#
- 1...Rh4
- 2.Be3#
- 1...Rh5
- 2.Be3#
- 1...Ba2
- 2.Sc2#
- 1...Bc2
- 2.Sxc2#
- 1...Bxd3
- 2.Sc2#
- 1...Bg7
- 2.Qxg7#
- 1...g3
- 2.Sf3#
- 2.Be3#
- 1...a5
- 2.Qxb6#
- 1...a6
- 2.Qxb6#
- 1...Ra2
- Tries
- 1.Sf3+?
- 1...gxf3
- 2.Be3#
- 1...Rxf3!
- 1...gxf3
- 1.Sc4?
- threat
- 2.Qe5#
- 1...Rhxd3
- 2.Be3#
- 1...Bxd3
- 2.Sc2#
- 1...Re3
- 2.Bxe3#
- 1...Bg7
- 2.Qxg7#
- 1...Raxd3!
- threat
- 1.Se4?
- threat
- 2.Qe5#
- 1...Raxd3
- 2.Qc3#
- 1...Bxd3
- 2.Sc2#
- 1...Rc3
- 2.Qxc3#
- 1...Bg7
- 2.Qxg7#
- 1...Rhxd3!
- threat
- 1.Sf7?
- threat
- 2.Qe5#
- 1...Raxd3
- 2.Qc3#
- 1...Rhxd3
- 2.Be3#
- 1...Bxd3
- 2.Sc2#
- 1...Rc3
- 2.Qxc3#
- 1...Re3
- 2.Bxe3#
- 1...Bg7!
- threat
- 1.Qe7?
- threat
- 2.Qf6#
- 2.Qe5#
- 1...Re3
- 2.Bxe3#
- 2.Qxe3#
- 1...Bg7
- 2.Qxg7#
- 1...Rc3+!
- threat
- 1.Qf7?
- threat
- 2.Qf6#
- 1...Re3
- 2.Bxe3#
- 1...Bg7
- 2.Qxg7#
- 1...Rc3+!
- threat
- 1.Sf3+?
- Keys
- 1.Sb7!
- threat
- 2.Qe5#
- 1...Raxd3
- 2.Qc3#
- 1...Rhxd3
- 2.Be3#
- 1...Bxd3
- 2.Sc2#
- 1...Rc3
- 2.Qxc3#
- 1...Re3
- 2.Bxe3#
- 1...Bg7
- 2.Qxg7#
- threat
- 1.Sb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 12
- Sets
- R(c);N_GUARD::QAB1(J)
- R(c);N_GUARD,P_PINQ(J)::QAB1(J),XR(c)
- R(c);N_GUARD,P_SPINR(c),XP(E)::QAB1(J)
- R(d);N_GUARD::B(A)
- R(d);N_GUARD,P_SPINR(d),XP(E)::B(A)
- R(d);N_GUARD::B(A),XR(d)
- B(b);N_GUARD::S(C)
- B(b);N_GUARD::S(C),XB(b)
- B(b);N_GUARD,P_SPINB(b),XP(E)::S(C)
- B(j);N_GUARD::QAB(J),XB(j)
- P(k);N_GUARD::QAB(J),XP(i)
- Tries
- Try
- S(C);CHECK
- Vars
- P(f);XS(C)::B(A)
- Refutation
- R(d);XS(C)
- Try
- S(I);
- Threat
- QAB1(J)
- Vars
- R(d);N_GUARD,P_SPINR(d),XP(E)::B(A)
- B(b);N_GUARD,P_SPINB(b),XP(E)::S(C)
- R(d);N_GUARD::B(A),XR(d)
- B(j);N_GUARD::QAB(J),XB(j)
- Refutation
- R(c);P_SPINR(c),XP(E)
- Try
- S(I);
- Threat
- QAB1(J)
- Vars
- R(c);N_GUARD,P_SPINR(c),XP(E)::QAB1(J)
- B(b);N_GUARD,P_SPINB(b),XP(E)::S(C)
- R(c);N_GUARD,P_PINQ(J)::QAB1(J),XR(c)
- B(j);N_GUARD::QAB(J),XB(j)
- Refutation
- R(d);P_SPINR(d),XP(E)
- Try
- S(I);
- Threat
- QAB1(J)
- Vars
- R(c);N_GUARD,P_SPINR(c),XP(E)::QAB1(J)
- R(d);N_GUARD,P_SPINR(d),XP(E)::B(A)
- B(b);N_GUARD,P_SPINB(b),XP(E)::S(C)
- R(c);N_GUARD,P_PINQ(J)::QAB1(J),XR(c)
- R(d);N_GUARD::B(A),XR(d)
- Refutation
- B(j);
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- B(j);N_GUARD::QAB(J),XB(j)
- Refutation
- R(c);CHECK
- Try
- Q(J);
- Threat
- QAB(J)
- Vars
- R(d);N_GUARD::B(A),XR(d)
- B(j);N_GUARD::QAB(J),XB(j)
- Refutation
- R(c);CHECK
- Try
- Actual
- S(I);
- Threat
- QAB1(J)
- Vars
- R(c);N_GUARD,P_SPINR(c),XP(E)::QAB1(J)
- R(d);N_GUARD,P_SPINR(d),XP(E)::B(A)
- B(b);N_GUARD,P_SPINB(b),XP(E)::S(C)
- R(c);N_GUARD,P_PINQ(J)::QAB1(J),XR(c)
- R(d);N_GUARD::B(A),XR(d)
- B(j);N_GUARD::QAB(J),XB(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).