MESON Chess Problem Database
Problem Display
PID: 159827 (5nK1/4pQNp/2p5/4kB2/3Rp1Pn/b3P3/8/1b6 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Problemnoter, 1965
#2
7 + 9
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Sxf5
- 2.Qxf5#
- 1...Se6
- 2.Qxe6#
- 1...Sg6
- 2.Qe6#
- 1...Sd7
- 2.Qe6#
- 1...c5
- 2.Rd5#
- 1...Sxf5
- Tries
- 1.Sh5?
- threat
- 2.Qg7#
- 1...Sxf5
- 2.Qxf5#
- 1...Se6
- 2.Qxe6#
- 1...Sd7
- 2.Qe6#
- 1...Ba2!
- threat
- 1.Se6?
- threat
- 2.Qg7#
- 1...Sxf5
- 2.Qxf5#
- 1...Sxe6
- 2.Qxe6#
- 1...Sd7!
- threat
- 1.Bxe4?
- threat
- 2.Qf4#
- 1...Sg2
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Shg6
- 2.Qf5#
- 1...Se6
- 2.Qxe6#
- 1...Sfg6
- 2.Qe6#
- 1...Ba2!
- threat
- 1.Be6?
- threat
- 2.Qf4#
- 1...Sxe6
- 2.Qxe6#
- 1...Sg2
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Shg6
- 2.Qf5#
- 1...Sfg6!
- threat
- 1.Bg6?
- threat
- 2.Qf4#
- 1...Shxg6
- 2.Qf5#
- 1...Sfxg6
- 2.Qe6#
- 1...Sg2
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Se6
- 2.Qxe6#
- 1...Ba2!
- threat
- 1.Bd7?
- threat
- 2.Qf4#
- 1...Sg2
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Shg6
- 2.Qf5#
- 1...Se6
- 2.Qxe6#
- 1...Sfg6
- 2.Qe6#
- 1...Ba2!
- threat
- 1.Bxh7?
- threat
- 2.Qf4#
- 1...Sg2
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Shg6
- 2.Qf5#
- 1...Se6
- 2.Qxe6#
- 1...Sfg6
- 2.Qe6#
- 1...Ba2!
- threat
- 1.Bc8?
- threat
- 2.Qf4#
- 1...Sg2
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Shg6
- 2.Qf5#
- 1...Se6
- 2.Qxe6#
- 1...Sfg6
- 2.Qe6#
- 1...Ba2!
- threat
- 1.Qxe7+?
- 1...Se6
- 2.Qxe6#
- 1...Bxe7!
- 1...Se6
- 1.Sh5?
- Keys
- 1.Se8!
- threat
- 2.Qg7#
- 1...Sxf5
- 2.Qxf5#
- 1...Ba2
- 2.Rxe4#
- 1...Se6
- 2.Qxe6#
- 1...Sd7
- 2.Qe6#
- threat
- 1.Se8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- S(d);OGATE,XB(D)::QAR1(E),XS(d)
- S(i);N_GUARD::QAR1(E),XS(i)
- S(i);N_GUARD::QAR1(E)
- P(f);N_GUARD::R1(B)
- Tries
- Try
- S(F);
- Threat
- QAB(E)
- Vars
- S(d);OGATE,XB(D)::QAR1(E),XS(d)
- S(i);N_GUARD::QAR1(E),XS(i)
- S(i);N_GUARD::QAR1(E)
- Refutation
- B(a);P_PINQ(E)
- Try
- S(F);
- Threat
- QAB(E)
- Vars
- S(d);OGATE,XB(D)::QAR1(E),XS(d)
- S(i);OGATE,XS(F)::QAR1(E),XS(i)
- Refutation
- S(i);
- Try
- B(D);XP(c)
- Threat
- QAB1(E)
- Vars
- S(d);N_GUARD::QAR1(E)
- S(d);N_GUARD::QAR1(E),XS(d)
- S(i);N_GUARD::QAR1(E),XS(i)
- S(i);N_GUARD::QAR1(E)
- Refutation
- B(a);P_PINQ(E)
- Try
- B(D);
- Threat
- QAB1(E)
- Vars
- S(i);OGATE,XB(D)::QAR1(E),XS(i)
- S(d);N_GUARD::QAR1(E)
- S(d);N_GUARD::QAR1(E),XS(d)
- Refutation
- S(i);
- Try
- B(D);
- Threat
- QAB1(E)
- Vars
- S(d);N_GUARD,XB(D)::QAR1(E)
- S(i);N_GUARD,XB(D)::QAR1(E)
- S(d);N_GUARD::QAR1(E)
- S(d);N_GUARD::QAR1(E),XS(d)
- S(i);N_GUARD::QAR1(E),XS(i)
- Refutation
- B(a);P_PINQ(E)
- Try
- B(D);
- Threat
- QAB1(E)
- Vars
- S(d);N_GUARD::QAR1(E)
- S(d);N_GUARD::QAR1(E),XS(d)
- S(i);N_GUARD::QAR1(E),XS(i)
- S(i);N_GUARD::QAR1(E)
- Refutation
- B(a);P_PINQ(E)
- Try
- B(D);XP(h)
- Threat
- QAB1(E)
- Vars
- S(d);N_GUARD::QAR1(E)
- S(d);N_GUARD::QAR1(E),XS(d)
- S(i);N_GUARD::QAR1(E),XS(i)
- S(i);N_GUARD::QAR1(E)
- Refutation
- B(a);P_PINQ(E)
- Try
- B(D);
- Threat
- QAB1(E)
- Vars
- S(d);N_GUARD::QAR1(E)
- S(d);N_GUARD::QAR1(E),XS(d)
- S(i);N_GUARD::QAR1(E),XS(i)
- S(i);N_GUARD::QAR1(E)
- Refutation
- B(a);P_PINQ(E)
- Try
- Q(E);CHECK,XP(g)
- Vars
- S(i);N_GUARD,P_SPINS(i)::QAR1(E),XS(i)
- Refutation
- B(b);XQ(E)
- Try
- Actual
- S(F);
- Threat
- QAB(E)
- Vars
- S(d);OGATE,XB(D)::QAR1(E),XS(d)
- B(a);N_GUARD,P_PINQ(E)::R1(B),XP(c)
- S(i);N_GUARD::QAR1(E),XS(i)
- S(i);N_GUARD::QAR1(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).