MESON Chess Problem Database
Problem Display
PID: 238771 (8/3Rp1Q1/2pnPr1B/N1pn4/p2k4/2pN4/2P1P3/K2R3B w - - 0 1)
Janevski, Zivko
Mat, 1982
#2
11 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sb4
- 2.e3#
- 1...Sf4
- 2.Qg1#
- 1...Sb6
- 2.e3#
- 1...Sc7
- 2.e3#
- 1...Sc4
- 2.Sxc6#
- 1...Se4
- 2.e3#
- 1...Sb5
- 2.e3#
- 1...Sf5
- 2.Qg4#
- 1...Sb7
- 2.e3#
- 1...Sf7
- 2.e3#
- 1...Sc8
- 2.e3#
- 1...Se8
- 2.e3#
- 1...c4
- 2.Sxc6#
- 1...Sb4
- Tries
- 1.Sf4+?
- 1...Ke3
- 2.Qg1#
- 2.Qg3#
- 1...Ke5!
- 1...Ke3
- 1.Rf1?
- 1...Sf4
- 2.Qg1#
- 1...Se3
- 2.Rf4#
- 1...Sb4
- 2.e3#
- 1...Sb6
- 2.e3#
- 1...Sc7
- 2.e3#
- 1...Sc4
- 2.Sxc6#
- 1...Se4
- 2.e3#
- 1...Sb5
- 2.e3#
- 1...Sf5
- 2.Qg4#
- 1...Sb7
- 2.e3#
- 1...Sf7
- 2.e3#
- 1...Sc8
- 2.e3#
- 1...Se8
- 2.e3#
- 1...c4
- 2.Sxc6#
- 1...a3!
- 1...Sf4
- 1.Qxf6+?
- 1...Sxf6
- 2.e3#
- 1...exf6!
- 1...Sxf6
- 1.Qg1+?
- 1...Se3
- 2.Bxe3#
- 2.Qxe3#
- 1...Rf2!
- 1...Se3
- 1.Qg3?
- threat
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Se5#
- 2.Qe5#
- 1...Rxe6
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Se5#
- 1...Rf3
- 2.Qe5#
- 1...Se3
- 2.Bxe3#
- 2.Qe5#
- 2.Qxe3#
- 1...Rf1
- 2.Se1#
- 2.Qe5#
- 1...Rf2
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sxf2#
- 2.Sb4#
- 2.Se5#
- 2.Qe5#
- 1...Rf5
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Se5#
- 1...Sb4
- 2.Sxb4#
- 2.Be3#
- 2.Qe5#
- 2.Qe3#
- 2.e3#
- 1...Sf4
- 2.Qf2#
- 2.Qg1#
- 2.e3#
- 1...Sc4
- 2.Sxc6#
- 1...Se4
- 2.Be3#
- 2.Qe5#
- 2.Qe3#
- 2.e3#
- 1...Sf7
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Se5#
- 2.Be3#
- 2.Qe3#
- 2.e3#
- 1...c4
- 2.Sxc6#
- 2.Qe5#
- 1...Rf4!
- threat
- 1.Qg4+?
- 1...Sf4
- 2.Qg1#
- 1...Se4
- 2.Qxe4#
- 2.e3#
- 1...Rf4!
- 1...Sf4
- 1.Qg5?
- threat
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Se5#
- 2.Qe5#
- 1...Rxe6
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Se5#
- 1...Rf3
- 2.Qe5#
- 1...Rf4
- 2.Qe5#
- 1...Sf4
- 2.Qg1#
- 2.Qxc5#
- 2.Qe5#
- 1...Se3
- 2.Qxe3#
- 2.Qxc5#
- 2.Qe5#
- 1...Rf1
- 2.Se1#
- 2.Qe5#
- 1...Rf2
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sxf2#
- 2.Sb4#
- 2.Se5#
- 2.Qe5#
- 1...Sb4
- 2.Sxb4#
- 2.Qe3#
- 2.Qxc5#
- 2.Qe5#
- 2.e3#
- 1...Sc4
- 2.Sxc6#
- 1...Se4
- 2.Qe3#
- 2.Qe5#
- 2.e3#
- 1...Sf5
- 2.Qf4#
- 2.Qg4#
- 1...Sf7
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Se5#
- 2.Qe3#
- 2.e3#
- 1...c4
- 2.Sxc6#
- 2.Qe5#
- 1...Rf5!
- threat
- 1.Sf4+?
- Keys
- 1.Bf4!
- threat
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Se5#
- 1...Sxf4
- 2.Qg1#
- 1...Se3
- 2.Be5#
- 1...Sb4
- 2.Sxb4#
- 2.Qg1#
- 2.e3#
- 1...Sc4
- 2.Sxc6#
- 1...Se4
- 2.e3#
- 1...c4
- 2.Sxc6#
- threat
- 1.Bf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- S(e);N_GUARD,P_SPINS(g)::P(E)
- S(e);N_GUARD,P_SPINS(g)::QAB(K)
- S(g);P_SPINS(e),SBLOCK::S(G),XP(f)
- S(g);P_SPINS(e)::P(E)
- S(g);N_GUARD,P_SPINS(e)::QAR(K)
- P(d);SBLOCK::S(G),XP(f)
- Tries
- Try
- S(F);CHECK
- Refutation
- K(c);S_FLIGHT
- Try
- R(B);
- Vars
- S(e);N_GUARD,P_SPINS(g)::QAB(K)
- S(e);N_GUARD,P_SPINS(g),SBLOCK::R(B)
- S(e);N_GUARD,P_SPINS(g)::P(E)
- S(g);P_SPINS(e),SBLOCK::S(G),XP(f)
- S(g);P_SPINS(e)::P(E)
- S(g);N_GUARD,P_SPINS(e)::QAR(K)
- P(d);SBLOCK::S(G),XP(f)
- Refutation
- P(b);
- Try
- Q(K);CHECK,XR(h)
- Vars
- S(e);P_SPINS(g),XQ(K)::P(E)
- Refutation
- P(i);XQ(K)
- Try
- Q(K);CHECK,N_PINR(h)
- Refutation
- R(h);P_SPINR(h)
- Try
- Q(K);N_PINR(h)
- Threat
- DUALS(7)
- Vars
- R(h);::QAB1(K)
- S(g);P_SPINS(e),SBLOCK::S(G),XP(f)
- Refutation
- R(h);
- Try
- Q(K);CHECK,N_PINR(h)
- Vars
- S(e);N_GUARD,P_SPINS(e),S_CUTR(h)::QAB(K)
- Refutation
- R(h);P_SPINR(h)
- Try
- Q(K);N_PINR(h)
- Threat
- DUALS(7)
- Vars
- R(h);::QAB1(K)
- S(g);P_SPINS(e),SBLOCK::S(G),XP(f)
- Refutation
- R(h);
- Try
- Actual
- B(I);
- Threat
- DUALS(6)
- Vars
- S(e);N_GUARD,P_SPINS(g),XB(I)::QAB(K)
- S(e);P_SPINS(g),SBLOCK::B(I)
- S(g);P_SPINS(e),SBLOCK::S(G),XP(f)
- S(g);P_SPINS(e)::P(E)
- P(d);SBLOCK::S(G),XP(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).