MESON Chess Problem Database
Problem Display
PID: 85746 (8/8/8/3N4/1B1nQ3/1p1P1n2/1K6/3k4 w - - 0 1)
Speckmann, Werner
An der Schwelle zur Miniatur, 1979
#2
5 + 4
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Se1
- 2.Qxe1#
- 1...Sg1
- 2.Qe1#
- 1...Sd2
- 2.Sc3#
- 1...Sh2
- 2.Qe1#
- 1...Sh4
- 2.Qe1#
- 1...Se5
- 2.Qe1#
- 1...Sg5
- 2.Qe1#
- 1...Sc2
- 2.Qxf3#
- 1...Se2
- 2.Se3#
- 1...Sb5
- 2.Qxf3#
- 1...Sf5
- 2.Qxf3#
- 1...Sc6
- 2.Qxf3#
- 1...Se6
- 2.Qxf3#
- 1...Se1
- Tries
- 1.Sf4?
- 1...Se1
- 2.Qxe1#
- 1...Sg1
- 2.Qe1#
- 1...Sh2
- 2.Qe1#
- 1...Sh4
- 2.Qh1#
- 2.Qe1#
- 1...Se5
- 2.Qh1#
- 2.Qe1#
- 1...Sg5
- 2.Qh1#
- 2.Qe1#
- 1...Sc2
- 2.Qxf3#
- 2.Qe2#
- 1...Se2
- 2.Qxe2#
- 1...Sb5
- 2.Qxf3#
- 2.Qe2#
- 1...Sf5
- 2.Qxf3#
- 2.Qe2#
- 1...Sc6
- 2.Qxf3#
- 2.Qe2#
- 1...Se6
- 2.Qxf3#
- 2.Qe2#
- 1...Sd2!
- 1...Se1
- 1.Bc3?
- 1...Se1
- 2.Qxe1#
- 1...Sg1
- 2.Qe1#
- 1...Sh2
- 2.Qe1#
- 1...Sh4
- 2.Qe1#
- 1...Se5
- 2.Qe1#
- 1...Sg5
- 2.Qe1#
- 1...Sc2
- 2.Qxf3#
- 1...Se2
- 2.Se3#
- 1...Sb5
- 2.Qxf3#
- 1...Sf5
- 2.Qxf3#
- 1...Sc6
- 2.Qxf3#
- 1...Se6
- 2.Qxf3#
- 1...Sd2!
- 1...Se1
- 1.Qxf3+?
- 1...Se2
- 2.Se3#
- 2.Qf1#
- 1...Sxf3!
- 1...Se2
- 1.Qe2+?
- 1...Sxe2
- 2.Se3#
- 1...Kxe2!
- 1...Sxe2
- 1.Qe3?
- threat
- 2.Sc3#
- 1...Sb5
- 2.Qxf3#
- 1...Se2!
- threat
- 1.Qf4?
- 1...Sd2
- 2.Qxd2#
- 1...Se1
- 2.Sc3#
- 2.Qd2#
- 1...Sg1
- 2.Qd2#
- 2.Qf1#
- 1...Sh2
- 2.Qd2#
- 1...Sh4
- 2.Qd2#
- 2.Qf1#
- 1...Se5
- 2.Qd2#
- 2.Qf1#
- 1...Sg5
- 2.Qd2#
- 2.Qf1#
- 1...Sc2
- 2.Qxf3#
- 1...Se2
- 2.Se3#
- 1...Sb5
- 2.Qxf3#
- 1...Sf5
- 2.Qxf3#
- 1...Sc6
- 2.Qxf3#
- 1...Se6
- 2.Qxf3#
- 1...Ke2!
- 1...Sd2
- 1.Qg4?
- 1...Sc2
- 2.Qxf3#
- 1...Se2
- 2.Se3#
- 1...Sb5
- 2.Qxf3#
- 1...Sf5
- 2.Qxf3#
- 1...Sc6
- 2.Qxf3#
- 1...Se6
- 2.Qxf3#
- 1...Ke2!
- 1...Sc2
- 1.Sf4?
- Keys
- 1.Ba5!
- 1...Sd2
- 2.Sc3#
- 1...Se1
- 2.Qxe1#
- 1...Sg1
- 2.Qe1#
- 1...Sh2
- 2.Qe1#
- 1...Sh4
- 2.Qe1#
- 1...Se5
- 2.Qe1#
- 1...Sg5
- 2.Qe1#
- 1...Sc2
- 2.Qxf3#
- 1...Se2
- 2.Se3#
- 1...Sb5
- 2.Qxf3#
- 1...Sf5
- 2.Qxf3#
- 1...Sc6
- 2.Qxf3#
- 1...Se6
- 2.Qxf3#
- 1...Sd2
- 1.Ba5!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(c);N_GUARD::QAR1(D),XS(c)
- S(c);N_GUARD::QAR1(D)
- S(c);SBLOCK::S(E)
- S(d);N_GUARD::QAB(D),XS(c)
- S(d);SBLOCK::S(E)
- Tries
- Try
- S(E);
- Vars
- S(c);N_GUARD::QAR1(D),XS(c)
- S(c);N_GUARD::QAR1(D)
- S(d);N_GUARD::QAB1(D),XS(d)
- Refutation
- S(c);
- Try
- B(C);
- Vars
- S(c);N_GUARD::QAR1(D),XS(c)
- S(c);N_GUARD::QAR1(D)
- S(d);N_GUARD::QAB(D),XS(c)
- S(d);SBLOCK::S(E)
- Refutation
- S(c);
- Try
- Q(D);CHECK,XS(c)
- Refutation
- S(d);XQ(D)
- Try
- Q(D);CHECK
- Vars
- S(d);SBLOCK,XQ(D)::S(E)
- Refutation
- K(a);S_FLIGHT,XQ(D)
- Try
- Q(D);
- Threat
- S(E)
- Vars
- S(d);N_GUARD::QAB(D),XS(c)
- Refutation
- S(d);
- Try
- Q(D);
- Vars
- S(c);N_GUARD::QAR1(D),XS(c)
- S(c);N_GUARD::QAR1(D)
- S(d);N_GUARD::QAB(D),XS(c)
- S(d);SBLOCK::S(E)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(D);P_PINS(c)
- Vars
- S(d);N_GUARD::QAB(D),XS(c)
- S(d);N_SPINS(c),SBLOCK::S(E)
- Refutation
- K(a);S_FLIGHT
- Try
- Actual
- B(C);
- Vars
- S(c);SBLOCK::S(E)
- S(c);N_GUARD::QAR1(D),XS(c)
- S(c);N_GUARD::QAR1(D)
- S(d);N_GUARD::QAB(D),XS(c)
- S(d);SBLOCK::S(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).