MESON Chess Problem Database
Problem Display
PID: 226622 (2B5/5r2/7Q/4p3/1N2kBr1/3R2b1/1K2n3/3N4 w - - 0 1)
Baumann, Hannes
2nd Prize, Neue Zurcher Zeitung, 1977-1978
#2
7 + 6
| 16895 | Schweizer Schachkompositionen (1976-1986) (Henneberger) | 1989 |
SOLUTION
- SOUND
- Sets
- 1...Rgxf4
- 2.Qc6#
- 1...Rfxf4
- 2.Qc6#
- 1...Rf5
- 2.Bb7#
- 1...Bf2
- 2.Sxf2#
- 1...Bh2
- 2.Sf2#
- 1...Bxf4
- 2.Sf2#
- 2.Qc6#
- 1...Sc1
- 2.Sc3#
- 1...Sg1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sd4
- 2.Sc3#
- 2.Re3#
- 1...Sxf4
- 2.Sc3#
- 1...exf4
- 2.Qe6#
- 1...Rgxf4
- Tries
- 1.Bc1?
- threat
- 2.Qe3#
- 2.Qc6#
- 1...Sxc1
- 2.Sc3#
- 2.Qe3#
- 1...Rgf4
- 2.Qc6#
- 1...Rg5
- 2.Qc6#
- 1...Rg6
- 2.Qe3#
- 1...Rf3
- 2.Qc6#
- 1...Rff4
- 2.Qc6#
- 1...Rf6
- 2.Qe3#
- 1...Rc7
- 2.Qe3#
- 2.Qh1#
- 1...Bf2
- 2.Qc6#
- 1...Bf4
- 2.Sf2#
- 2.Qc6#
- 1...Sc3
- 2.Sxc3#
- 2.Qe3#
- 1...Sd4
- 2.Sc3#
- 2.Re3#
- 2.Qe3#
- 1...Sf4
- 2.Sc3#
- 1...Rd7!
- threat
- 1.Bd2?
- threat
- 2.Qe3#
- 2.Qc6#
- 1...Rgf4
- 2.Qc6#
- 1...Rg5
- 2.Qc6#
- 1...Rg6
- 2.Qe3#
- 1...Rf3
- 2.Qc6#
- 1...Rff4
- 2.Qc6#
- 1...Rf6
- 2.Qe3#
- 1...Rc7
- 2.Qe3#
- 2.Qh1#
- 1...Bf2
- 2.Qc6#
- 1...Bf4
- 2.Sf2#
- 2.Qc6#
- 1...Sc3
- 2.Sxc3#
- 2.Qe3#
- 1...Sd4
- 2.Sc3#
- 2.Re3#
- 2.Qe3#
- 1...Sf4
- 2.Sc3#
- 1...Rd7!
- threat
- 1.Bb7+?
- 1...Kf5
- 2.Se3#
- 1...Rxb7!
- 1...Kf5
- 1.Qe6?
- threat
- 2.Qxe5#
- 1...Kxf4
- 2.Qxg4#
- 1...Rgxf4
- 2.Qd5#
- 2.Qc6#
- 1...Rfxf4
- 2.Bb7#
- 2.Qd5#
- 2.Qc6#
- 1...Bxf4
- 2.Sf2#
- 2.Qd5#
- 2.Qc6#
- 1...Sxf4
- 2.Sc3#
- 2.Qc4#
- 1...Rf5
- 2.Qxf5#
- 1...Re7
- 2.Qf5#
- 1...Rg5!
- threat
- 1.Qg6+?
- 1...Kxf4
- 2.Sd5#
- 2.Qxg4#
- 1...Rf5
- 2.Qxf5#
- 1...Rxg6!
- 1...Kxf4
- 1.Bc1?
- Keys
- 1.Qh5!
- threat
- 2.Qxe5#
- 1...Kxf4
- 2.Qxg4#
- 1...Rgxf4
- 2.Qxe2#
- 1...Rfxf4
- 2.Bb7#
- 1...Bxf4
- 2.Sf2#
- 1...Sxf4
- 2.Sc3#
- 1...exf4
- 2.Qd5#
- 1...Rg5
- 2.Qf3#
- 1...Rf5
- 2.Qxf5#
- 1...Re7
- 2.Qf5#
- threat
- 1.Qh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- R(d);SBLOCK,XB(E)::QAB(F)
- R(f);SBLOCK,XB(E)::QAB(F)
- R(f);N_GUARD,SBLOCK::B(G)
- B(b);N_GUARD::S(A),XB(b)
- B(b);N_GUARD::S(A)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- S(a);N_GUARD,XB(E)::S(A)
- P(e);OGATEB,SBLOCK,XB(E)::QAR2(F)
- Tries
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(d);::QAB(F)
- R(d);::QAR1(F)
- R(f);::QAB(F)
- R(f);::QAR1(F)
- B(b);::QAB(F)
- S(a);N_GUARD::S(A)
- Refutation
- R(f);
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(d);::QAB(F)
- R(d);::QAR1(F)
- R(f);::QAB(F)
- R(f);::QAR1(F)
- B(b);::QAB(F)
- S(a);N_GUARD::S(A)
- Refutation
- R(f);
- Try
- B(G);CHECK
- Vars
- K(c);S_FLIGHT::S(A)
- Refutation
- R(f);P_PINS(D),XB(G)
- Try
- Q(F);P_PINP(e)
- Threat
- QAR1(F),XP(e)
- Vars
- K(c);N_SPINP(e),OGATEB,P-FLIGHT,XB(E)::QAR1(F),XR(d)
- R(f);N_GUARD::QAB1(F),XR(f)
- R(f);N_GUARD::QAB1(F)
- Refutation
- R(d);
- Try
- Q(F);CHECK
- Vars
- R(f);N_GUARD,P_SPINR(f)::QAB1(F),XR(f)
- Refutation
- R(d);XQ(F)
- Try
- Actual
- Q(F);
- Threat
- QAR1(F),XP(e)
- Vars
- K(c);OGATEB,P-FLIGHT,XB(E)::QAR1(F),XR(d)
- R(d);OGATE,SBLOCK,XB(E)::QAR2(F),XS(a)
- R(f);N_GUARD,SBLOCK,XB(E)::B(G)
- B(b);N_GUARD,SBLOCK,XB(E)::S(A)
- S(a);N_GUARD,SBLOCK,XB(E)::S(A)
- P(e);OGATE,SBLOCK,XB(E)::QAB1(F)
- R(d);OGATE::QAB1(F)
- R(f);N_GUARD::QAB1(F),XR(f)
- R(f);N_GUARD::QAB1(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).