MESON Chess Problem Database
Problem Display
PID: 180089 (8/8/N2p4/2pn4/p4p2/rkbQ1P2/b1NP4/R1K5 w - - 0 1)
Parzuch, Stefan
5th Comm., Zadachi i Etyudi, 2008
#2
7 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bb1
- 2.Rxa3#
- 1...Se3
- 2.Qxc3#
- 1...Sb4
- 2.Qxc3#
- 1...Sb6
- 2.Qxc3#
- 1...Sf6
- 2.Qxc3#
- 1...Sc7
- 2.Qxc3#
- 1...Se7
- 2.Qxc3#
- 1...c4
- 2.Sd4#
- 1...Bb1
- Tries
- 1.Se1?
- 1...Se3
- 2.Qxc3#
- 1...Sb4
- 2.Qxc3#
- 1...Sb6
- 2.Qxc3#
- 1...Sf6
- 2.Qxc3#
- 1...Sc7
- 2.Qxc3#
- 1...Se7
- 2.Qxc3#
- 1...c4
- 2.Qc2#
- 1...Bb1!
- 1...Se3
- 1.Se3?
- threat
- 2.Qc2#
- 2.Qc4#
- 1...Sxe3
- 2.Qxc3#
- 1...Bb1
- 2.Qc4#
- 1...Sb4
- 2.Qc4#
- 2.Qxc3#
- 1...Sb6
- 2.Qc2#
- 2.Qxc3#
- 1...c4
- 2.Qc2#
- 2.Qxc4#
- 1...fxe3!
- threat
- 1.Sab4?
- 1...Sxb4
- 2.Qxc3#
- 1...cxb4
- 2.Sd4#
- 2.Qxd5#
- 1...Bb1
- 2.Rxb1#
- 2.Rxa3#
- 1...Se3
- 2.Qxc3#
- 1...Sb6
- 2.Qxc3#
- 1...Sf6
- 2.Qxc3#
- 1...Sc7
- 2.Qxc3#
- 1...Se7
- 2.Qxc3#
- 1...c4!
- 1...Sxb4
- 1.Sc7?
- 1...Sxc7
- 2.Qxc3#
- 1...Bb1
- 2.Rxa3#
- 1...Se3
- 2.Qxc3#
- 1...Sb4
- 2.Qxc3#
- 1...Sb6
- 2.Qxc3#
- 1...Sf6
- 2.Qxc3#
- 1...Se7
- 2.Qxc3#
- 1...c4!
- 1...Sxc7
- 1.Sb8?
- 1...Bb1
- 2.Rxa3#
- 1...Se3
- 2.Qxc3#
- 1...Sb4
- 2.Qxc3#
- 1...Sb6
- 2.Qxc3#
- 1...Sf6
- 2.Qxc3#
- 1...Sc7
- 2.Qxc3#
- 1...Se7
- 2.Qxc3#
- 1...c4!
- 1...Bb1
- 1.dxc3?
- 1...c4
- 2.Sd4#
- 1...Bb1
- 2.Rxa3#
- 1...Se3
- 2.c4#
- 1...Sb4
- 2.cxb4#
- 1...Sb6
- 2.c4#
- 1...Sf6
- 2.c4#
- 1...Sc7
- 2.c4#
- 1...Se7
- 2.c4#
- 1...Sxc3!
- 1...c4
- 1.Se1?
- Keys
- 1.Scb4!
- 1...Sxb4
- 2.Qxc3#
- 1...cxb4
- 2.Qxd5#
- 1...Bb1
- 2.Rxb1#
- 1...Se3
- 2.Qxc3#
- 1...Sb6
- 2.Qxc3#
- 1...Sf6
- 2.Qxc3#
- 1...Sc7
- 2.Qxc3#
- 1...Se7
- 2.Qxc3#
- 1...c4
- 2.Qc2#
- 1...Sxb4
- 1.Scb4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(a);OGATE::R1(A),XR(b)
- S(h);N_GUARD::QAR1(E),XB(d)
- P(g);N_GUARD::S(C)
- Tries
- Try
- S(C);
- Vars
- S(h);N_GUARD::QAR1(E),XB(d)
- P(g);SBLOCK::QAB1(E)
- Refutation
- B(a);
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- S(h);N_GUARD,XS(C)::QAR1(E),XB(d)
- B(a);::QAB1(E)
- Refutation
- P(f);XS(C)
- Try
- S(G);
- Vars
- S(h);N_GUARD,XS(G)::QAR1(E),XB(d)
- S(h);N_GUARD::QAR1(E),XB(d)
- Refutation
- P(g);
- Try
- S(G);
- Vars
- S(h);N_GUARD,XS(G)::QAR1(E),XB(d)
- B(a);OGATE::R1(A),XR(b)
- S(h);N_GUARD::QAR1(E),XB(d)
- Refutation
- P(g);
- Try
- S(G);
- Vars
- B(a);OGATE::R1(A),XR(b)
- S(h);N_GUARD::QAR1(E),XB(d)
- Refutation
- P(g);
- Try
- P(D);XB(d)
- Vars
- P(g);N_GUARD::S(C)
- B(a);OGATE::R1(A),XR(b)
- S(h);N_GUARD::QAR(E)+P(D)
- S(h);OGATE::QAR(E)+P(D),XS(h)
- Refutation
- S(h);P_SPINS(h),XP(D)
- Try
- Actual
- S(C);
- Vars
- S(h);N_GUARD,XS(C)::QAR1(E),XB(d)
- P(g);N_GUARD,XS(C)::QAB(E),XS(h)
- B(a);N_GUARD::R(A),XB(a)
- S(h);N_GUARD::QAR1(E),XB(d)
- P(g);SBLOCK::QAB1(E)
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).