MESON Chess Problem Database
Problem Display
PID: 163499 (6B1/1NrRp2p/8/8/KnPBk1P1/b5Q1/1pr3n1/3N3q w - - 0 1)
Kupper, Josef
Basler Zeitung, 1989
#2
9 + 10
| 15601 | Albrecht-Leiss-Degener Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Qxd1
- 2.Bxh7#
- 1...Qe1
- 2.Bxh7#
- 1...Qg1
- 2.Bxh7#
- 1...Rc1
- 2.Sf2#
- 1...Rd2
- 2.Sc3#
- 1...Re2
- 2.Sc3#
- 1...Rf2
- 2.Sxf2#
- 2.Sc3#
- 1...Rc3
- 2.Sf2#
- 2.Sxc3#
- 1...R2xc4
- 2.Sf2#
- 1...Rc5
- 2.Sxc5#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qe3#
- 1...Sh4
- 2.Qe3#
- 1...h5
- 2.Bh7#
- 1...h6
- 2.Bh7#
- 1...Qxd1
- Tries
- 1.Bxb2?
- threat
- 2.Rd4#
- 1...Qxd1
- 2.Bxh7#
- 1...Rxb2
- 2.Sc3#
- 1...R2xc4
- 2.Sf2#
- 1...R7xc4
- 2.Rxe7#
- 1...Rxd7
- 2.Sc5#
- 1...Qg1
- 2.Bxh7#
- 1...Rd2
- 2.Sc3#
- 1...Rc3
- 2.Sf2#
- 2.Sxc3#
- 1...Sf4
- 2.Qe3#
- 1...Sd5
- 2.Bxd5#
- 1...Sc6
- 2.Bd5#
- 1...e5
- 2.Sd6#
- 1...Bxb2!
- threat
- 1.Bf2?
- threat
- 2.Rd4#
- 1...Qxd1
- 2.Bxh7#
- 1...Rxf2
- 2.Sxf2#
- 2.Sc3#
- 1...R7xc4
- 2.Rxe7#
- 1...Rxd7
- 2.Sc5#
- 1...Sf4
- 2.Qe3#
- 1...Rd2
- 2.Sc3#
- 1...Se3
- 2.Qxe3#
- 1...Sd5
- 2.Bxd5#
- 1...Sc6
- 2.Bd5#
- 1...e5
- 2.Sd6#
- 1...R2xc4!
- threat
- 1.Bc3?
- threat
- 2.Rd4#
- 1...Qxd1
- 2.Bxh7#
- 1...Rxc3
- 2.Sf2#
- 2.Sxc3#
- 1...Rxc4
- 2.Rxe7#
- 1...Rxd7
- 2.Sc5#
- 1...Qg1
- 2.Bxh7#
- 1...Sf4
- 2.Qe3#
- 1...Sd5
- 2.Bxd5#
- 1...Sc6
- 2.Bd5#
- 1...e5
- 2.Sd6#
- 1...Rd2!
- threat
- 1.Bc5?
- threat
- 2.Rd4#
- 1...Qxd1
- 2.Bxh7#
- 1...Rxc4
- 2.Sf2#
- 1...Rxc5
- 2.Sxc5#
- 1...Sf4
- 2.Qe3#
- 1...Qg1
- 2.Bxh7#
- 1...Rd2
- 2.Sc3#
- 1...Sd5
- 2.Bxd5#
- 1...Sc6
- 2.Bd5#
- 1...e5
- 2.Sd6#
- 1...Rxd7!
- threat
- 1.Be5?
- threat
- 2.Rd4#
- 1...Qxd1
- 2.Bxh7#
- 1...R2xc4
- 2.Sf2#
- 1...Rxd7
- 2.Sc5#
- 1...Sf4
- 2.Qxf4#
- 2.Qe3#
- 1...Qg1
- 2.Bxh7#
- 1...Rd2
- 2.Sc3#
- 1...Sd5
- 2.Bxd5#
- 1...Sc6
- 2.Bd5#
- 1...R7xc4!
- threat
- 1.Bb6?
- threat
- 2.Rd4#
- 1...Qxd1
- 2.Bxh7#
- 1...R2xc4
- 2.Sf2#
- 1...R7xc4
- 2.Rxe7#
- 1...Sf4
- 2.Qe3#
- 1...Qg1
- 2.Bxh7#
- 1...Rd2
- 2.Sc3#
- 1...Rc5
- 2.Sxc5#
- 1...Sd5
- 2.Bxd5#
- 1...Sc6
- 2.Bd5#
- 1...e5
- 2.Sd6#
- 1...Rxd7!
- threat
- 1.Ba7?
- threat
- 2.Rd4#
- 1...Qxd1
- 2.Bxh7#
- 1...R2xc4
- 2.Sf2#
- 1...R7xc4
- 2.Rxe7#
- 1...Sf4
- 2.Qe3#
- 1...Qg1
- 2.Bxh7#
- 1...Rd2
- 2.Sc3#
- 1...Rc5
- 2.Sxc5#
- 1...Sd5
- 2.Bxd5#
- 1...Sc6
- 2.Bd5#
- 1...e5
- 2.Sd6#
- 1...Rxd7!
- threat
- 1.Bg7?
- threat
- 2.Rd4#
- 1...Qxd1
- 2.Bxh7#
- 1...R2xc4
- 2.Sf2#
- 1...R7xc4
- 2.Rxe7#
- 1...Rxd7
- 2.Sc5#
- 1...Qg1
- 2.Bxh7#
- 1...Rd2
- 2.Sc3#
- 1...Sd5
- 2.Bxd5#
- 1...Sc6
- 2.Bd5#
- 1...e5!
- threat
- 1.Bh8?
- threat
- 2.Rd4#
- 1...Qxd1
- 2.Bxh7#
- 1...R2xc4
- 2.Sf2#
- 1...R7xc4
- 2.Rxe7#
- 1...Rxd7
- 2.Sc5#
- 1...Qg1
- 2.Bxh7#
- 1...Rd2
- 2.Sc3#
- 1...Sd5
- 2.Bxd5#
- 1...Sc6
- 2.Bd5#
- 1...e5!
- threat
- 1.Bxb2?
- Keys
- 1.Bg1!
- threat
- 2.Rd4#
- 1...Qxg1
- 2.Bxh7#
- 1...R2xc4
- 2.Sf2#
- 1...R7xc4
- 2.Rxe7#
- 1...Rxd7
- 2.Sc5#
- 1...Sf4
- 2.Qe3#
- 1...Rd2
- 2.Sc3#
- 1...Rf2
- 2.Sxf2#
- 2.Sc3#
- 1...Se3
- 2.Qxe3#
- 1...Sd5
- 2.Bxd5#
- 1...Sc6
- 2.Bd5#
- 1...e5
- 2.Sd6#
- threat
- 1.Bg1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 9
- Sets
- Q(a);N_GUARD,XS(A)::B(I),XP(j)
- Q(a);N_GUARD::B(I),XP(j)
- R(c);N_GUARD::S(A)
- R(c);N_GUARD,XP(D)::S(A)
- R(h);N_GUARD::S(G),XR(h)
- S(d);N_GUARD::QAR1(B)
- S(d);N_GUARD::QAR1(B),XS(d)
- P(j);S_CUTQ(a)::B(I)
- Tries
- Try
- B(E);XP(b)
- Threat
- R1(H)
- Vars
- Q(a);N_GUARD,XS(A)::B(I),XP(j)
- R(c);N_GUARD,XB(E)::S(A)
- R(c);N_GUARD,XP(D)::S(A)
- R(h);N_GUARD,XP(D)::R(H),XP(i)
- R(h);N_GUARD,XR(H)::S(G)
- Q(a);N_GUARD::B(I),XP(j)
- R(c);N_GUARD::S(A)
- S(d);N_GUARD::QAR1(B)
- S(f);N_GUARD::B(I),XS(f)
- S(f);N_GUARD::B(I)
- P(i);N_GUARD::S(G)
- Refutation
- B(e);XB(E)
- Try
- B(E);
- Threat
- R1(H)
- Vars
- Q(a);N_GUARD,XS(A)::B(I),XP(j)
- R(h);N_GUARD,XP(D)::R(H),XP(i)
- R(h);N_GUARD,XR(H)::S(G)
- S(d);N_GUARD::QAR1(B)
- R(c);N_GUARD::S(A)
- S(d);N_GUARD::QAR1(B),XS(d)
- S(f);N_GUARD::B(I),XS(f)
- S(f);N_GUARD::B(I)
- P(i);N_GUARD::S(G)
- Refutation
- R(c);XP(D)
- Try
- B(E);
- Threat
- R1(H)
- Vars
- Q(a);N_GUARD,XS(A)::B(I),XP(j)
- R(h);N_GUARD,XP(D)::R(H),XP(i)
- R(h);N_GUARD,XR(H)::S(G)
- Q(a);N_GUARD::B(I),XP(j)
- S(d);N_GUARD::QAR1(B)
- S(f);N_GUARD::B(I),XS(f)
- S(f);N_GUARD::B(I)
- P(i);N_GUARD::S(G)
- Refutation
- R(c);
- Try
- B(E);
- Threat
- R1(H)
- Vars
- Q(a);N_GUARD,XS(A)::B(I),XP(j)
- R(c);N_GUARD,XP(D)::S(A)
- R(h);XB(E)::S(G),XR(h)
- S(d);N_GUARD::QAR1(B)
- Q(a);N_GUARD::B(I),XP(j)
- R(c);N_GUARD::S(A)
- S(f);N_GUARD::B(I),XS(f)
- S(f);N_GUARD::B(I)
- P(i);N_GUARD::S(G)
- Refutation
- R(h);XR(H)
- Try
- B(E);
- Threat
- R1(H)
- Vars
- Q(a);N_GUARD,XS(A)::B(I),XP(j)
- R(c);N_GUARD,XP(D)::S(A)
- R(h);N_GUARD,XR(H)::S(G)
- Q(a);N_GUARD::B(I),XP(j)
- R(c);N_GUARD::S(A)
- S(f);N_GUARD::B(I),XS(f)
- S(f);N_GUARD::B(I)
- Refutation
- R(h);XP(D)
- Try
- B(E);
- Threat
- R1(H)
- Vars
- Q(a);N_GUARD,XS(A)::B(I),XP(j)
- R(c);N_GUARD,XP(D)::S(A)
- R(h);N_GUARD,XP(D)::R(H),XP(i)
- S(d);N_GUARD::QAR1(B)
- Q(a);N_GUARD::B(I),XP(j)
- R(c);N_GUARD::S(A)
- R(h);N_GUARD::S(G),XR(h)
- S(f);N_GUARD::B(I),XS(f)
- S(f);N_GUARD::B(I)
- P(i);N_GUARD::S(G)
- Refutation
- R(h);XR(H)
- Try
- B(E);
- Threat
- R1(H)
- Vars
- Q(a);N_GUARD,XS(A)::B(I),XP(j)
- R(c);N_GUARD,XP(D)::S(A)
- R(h);N_GUARD,XP(D)::R(H),XP(i)
- S(d);N_GUARD::QAR1(B)
- Q(a);N_GUARD::B(I),XP(j)
- R(c);N_GUARD::S(A)
- R(h);N_GUARD::S(G),XR(h)
- S(f);N_GUARD::B(I),XS(f)
- S(f);N_GUARD::B(I)
- P(i);N_GUARD::S(G)
- Refutation
- R(h);XR(H)
- Try
- B(E);
- Threat
- R1(H)
- Vars
- Q(a);N_GUARD,XS(A)::B(I),XP(j)
- R(c);N_GUARD,XP(D)::S(A)
- R(h);N_GUARD,XP(D)::R(H),XP(i)
- R(h);N_GUARD,XR(H)::S(G)
- Q(a);N_GUARD::B(I),XP(j)
- R(c);N_GUARD::S(A)
- S(f);N_GUARD::B(I),XS(f)
- S(f);N_GUARD::B(I)
- Refutation
- P(i);
- Try
- B(E);
- Threat
- R1(H)
- Vars
- Q(a);N_GUARD,XS(A)::B(I),XP(j)
- R(c);N_GUARD,XP(D)::S(A)
- R(h);N_GUARD,XP(D)::R(H),XP(i)
- R(h);N_GUARD,XR(H)::S(G)
- Q(a);N_GUARD::B(I),XP(j)
- R(c);N_GUARD::S(A)
- S(f);N_GUARD::B(I),XS(f)
- S(f);N_GUARD::B(I)
- Refutation
- P(i);
- Try
- Actual
- B(E);
- Threat
- R1(H)
- Vars
- Q(a);N_GUARD,XB(E)::B(I),XP(j)
- R(c);N_GUARD,XP(D)::S(A)
- R(h);N_GUARD,XP(D)::R(H),XP(i)
- R(h);N_GUARD,XR(H)::S(G)
- S(d);N_GUARD::QAR1(B)
- R(c);N_GUARD::S(A)
- S(d);N_GUARD::QAR1(B),XS(d)
- S(f);N_GUARD::B(I),XS(f)
- S(f);N_GUARD::B(I)
- P(i);N_GUARD::S(G)
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).