MESON Chess Problem Database
Problem Display
PID: 37648 (8/b2q1nN1/5P2/2nQ2pN/6k1/5pB1/3rp2R/3bR2K w - - 0 1)
Schonholzer, Andreas
3rd Prize, Freie Presse, 1969
#2
8 + 10
| 3690 | Kunstschach in der Schweiz | 1980 |
SOLUTION
- SOUND
- Sets
- 1...Qa4
- 2.Qf5#
- 1...Qb5
- 2.Qf5#
- 1...Qf5
- 2.Qxf5#
- 1...Qc6
- 2.Qf5#
- 1...Qe8
- 2.Qf5#
- 1...Qd6
- 2.Qf5#
- 1...Qb7
- 2.Qf5#
- 1...Qc7
- 2.Qf5#
- 1...Qe7
- 2.Qf5#
- 1...Qd8
- 2.Qf5#
- 1...Sb3
- 2.Qe4#
- 1...Sd3
- 2.Qxd7#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sa6
- 2.Qe4#
- 1...Se6
- 2.Qf5#
- 1...Sb7
- 2.Qe4#
- 1...Qa4
- Tries
- 1.Bf2?
- threat
- 2.Rg1#
- 1...Qd6
- 2.Qf5#
- 1...Qc7
- 2.Qf5#
- 1...Se4
- 2.Qxe4#
- 1...Bb8!
- threat
- 1.Bh4?
- threat
- 2.Rg1#
- 1...Qd6
- 2.Qf5#
- 1...Qc7
- 2.Qf5#
- 1...Sb3
- 2.Qe4#
- 1...Sd3
- 2.Qxd7#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sa6
- 2.Qe4#
- 1...Se6
- 2.Qf5#
- 1...Sb7
- 2.Qe4#
- 1...f2
- 2.Qg2#
- 1...Bb8!
- threat
- 1.Be5?
- threat
- 2.Rg1#
- 1...Sb3
- 2.Qe4#
- 1...Sd3
- 2.Qxd7#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sa6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...f2
- 2.Qg2#
- 1...Se6!
- threat
- 1.Bd6?
- threat
- 2.Rg1#
- 1...Qxd6
- 2.Qf5#
- 1...Sb3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sa6
- 2.Qe4#
- 1...Se6
- 2.Qf5#
- 1...Sb7
- 2.Qe4#
- 1...f2
- 2.Qg2#
- 1...Sd3!
- threat
- 1.Bb8?
- threat
- 2.Rg1#
- 1...Qd6
- 2.Qf5#
- 1...Qc7
- 2.Qf5#
- 1...Sb3
- 2.Qe4#
- 1...Sd3
- 2.Qxd7#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sa6
- 2.Qe4#
- 1...Se6
- 2.Qf5#
- 1...Sb7
- 2.Qe4#
- 1...f2
- 2.Qg2#
- 1...Bxb8!
- threat
- 1.Qxg5+?
- 1...Sxg5
- 2.Rh4#
- 1...Kxg5!
- 1...Sxg5
- 1.Bf2?
- Keys
- 1.Bc7!
- threat
- 2.Rg1#
- 1...Qxc7
- 2.Qf5#
- 1...Qd6
- 2.Qf5#
- 1...Sb3
- 2.Qe4#
- 1...Sd3
- 2.Qxd7#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sa6
- 2.Qe4#
- 1...Se6
- 2.Qf5#
- 1...Sb7
- 2.Qe4#
- 1...f2
- 2.Qg2#
- threat
- 1.Bc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 8
- Sets
- Q(i);N_GUARD::QAB1(E)
- Q(i);N_GUARD::QAB1(E),XQ(i)
- S(f);N_GUARD::QAR2(E)
- S(f);N_GUARD,S_CUTR(b)::QAB(E),XQ(i)
- S(f);N_GUARD::QAR2(E),XS(f)
- S(f);S_CUTQ(i)::QAB1(E)
- Tries
- Try
- B(D);
- Threat
- R(A)
- Vars
- Q(i);N_GUARD::QAB1(E)
- S(f);N_GUARD::QAR2(E),XS(f)
- Refutation
- B(h);
- Try
- B(D);
- Threat
- R(A)
- Vars
- Q(i);N_GUARD::QAB1(E)
- S(f);N_GUARD::QAR2(E)
- S(f);N_GUARD,S_CUTR(b)::QAB(E),XQ(i)
- S(f);N_GUARD::QAR2(E),XS(f)
- S(f);S_CUTQ(i)::QAB1(E)
- P(d);OGATE::QAR2(E)
- Refutation
- B(h);
- Try
- B(D);
- Threat
- R(A)
- Vars
- S(f);N_GUARD::QAR2(E)
- S(f);N_GUARD,S_CUTR(b)::QAB(E),XQ(i)
- S(f);N_GUARD::QAR2(E),XS(f)
- P(d);OGATE::QAR2(E)
- Refutation
- S(f);
- Try
- B(D);
- Threat
- R(A)
- Vars
- Q(i);N_GUARD,XB(D)::QAB1(E)
- S(f);N_GUARD::QAR2(E)
- S(f);N_GUARD::QAR2(E),XS(f)
- S(f);S_CUTQ(i)::QAB1(E)
- P(d);OGATE::QAR2(E)
- Refutation
- S(f);
- Try
- B(D);
- Threat
- R(A)
- Vars
- Q(i);N_GUARD::QAB1(E)
- S(f);N_GUARD::QAR2(E)
- S(f);N_GUARD,S_CUTR(b)::QAB(E),XQ(i)
- S(f);N_GUARD::QAR2(E),XS(f)
- S(f);S_CUTQ(i)::QAB1(E)
- P(d);OGATE::QAR2(E)
- Refutation
- B(h);XB(D)
- Try
- Q(E);CHECK,XP(g)
- Vars
- S(j);SBLOCK,XQ(E)::R1(C)
- Refutation
- K(e);P-FLIGHT,XQ(E)
- Try
- Actual
- B(D);
- Threat
- R(A)
- Vars
- Q(i);N_GUARD,XB(D)::QAB1(E)
- Q(i);N_GUARD::QAB1(E)
- S(f);N_GUARD::QAR2(E)
- S(f);N_GUARD,S_CUTR(b)::QAB(E),XQ(i)
- S(f);N_GUARD::QAR2(E),XS(f)
- S(f);S_CUTQ(i)::QAB1(E)
- P(d);OGATE::QAR2(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).