MESON Chess Problem Database
Problem Display
PID: 231134 (7Q/8/8/8/8/3Kn1B1/4Pp2/4k3 w - - 0 1)
Kraemer, Wilhelm
Chemnitzer Tageblatt, 1927
#2
4 + 3
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kd1
- 2.Qa1#
- 1...Kf1
- 2.Qh1#
- 1...Sd1
- 2.Qh1#
- 1...Sf1
- 2.Qa1#
- 1...Sc2
- 2.Qh1#
- 1...Sg2
- 2.Qa1#
- 2.Qh1#
- 1...Sc4
- 2.Qa1#
- 2.Qh1#
- 1...Sg4
- 2.Qa1#
- 2.Qh1#
- 1...Sd5
- 2.Qa1#
- 2.Qh1#
- 1...Sf5
- 2.Qa1#
- 2.Qh1#
- 1...Kd1
- Tries
- 1.Kxe3?
- threat
- 2.Qa1#
- 2.Qh1#
- 1...Kf1
- 2.Qh1#
- 1...Kd1!
- threat
- 1.Qc3+?
- 1...Kd1
- 2.Qa1#
- 2.Qd2#
- 1...Kf1!
- 1...Kd1
- 1.Qh6?
- 1...Kf1
- 2.Qh1#
- 1...Sd1
- 2.Qh1#
- 1...Sf1
- 2.Qc1#
- 1...Sc2
- 2.Qc1#
- 2.Qh1#
- 1...Sg2
- 2.Qc1#
- 2.Qh1#
- 1...Sc4
- 2.Qc1#
- 2.Qh1#
- 1...Sg4
- 2.Qc1#
- 2.Qh1#
- 1...Sd5
- 2.Qc1#
- 2.Qh1#
- 1...Sf5
- 2.Qc1#
- 2.Qh1#
- 1...Kd1!
- 1...Kf1
- 1.Kxe3?
- Keys
- 1.Qa8!
- 1...Kd1
- 2.Qa1#
- 1...Kf1
- 2.Qh1#
- 1...Sd1
- 2.Qh1#
- 1...Sf1
- 2.Qa1#
- 1...Sc2
- 2.Qh1#
- 1...Sg2
- 2.Qa1#
- 1...Sc4
- 2.Qh1#
- 2.Qa1#
- 1...Sg4
- 2.Qh1#
- 2.Qa1#
- 1...Sd5
- 2.Qa1#
- 1...Sf5
- 2.Qh1#
- 2.Qa1#
- 1...Kd1
- 1.Qa8!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(a);N_SPINP(b),P-FLIGHT::QAR(D)
- K(a);N_SPINP(b),P-FLIGHT::QAR2(D)
- S(c);N_GUARD,SBLOCK::QAR(D)
- S(c);N_GUARD::QAR(D)
- Tries
- Try
- K(B);P-FLIGHT,XS(c)
- Threat
- DUALS(2)
- Vars
- K(a);N_SPINP(b),P-FLIGHT::QAR2(D)
- Refutation
- K(a);N_SPINP(b),P-FLIGHT
- Try
- Q(D);CHECK
- Refutation
- K(a);N_SPINP(b),P-FLIGHT
- Try
- Q(D);
- Vars
- K(a);N_SPINP(b),P-FLIGHT::QAR2(D)
- S(c);N_GUARD,SBLOCK::QAR(D)
- S(c);OGATE,SBLOCK::QAR2(D)
- Refutation
- K(a);N_SPINP(b),P-FLIGHT
- Try
- Actual
- Q(D);
- Vars
- K(a);N_SPINP(b),P-FLIGHT::QAR(D)
- K(a);N_SPINP(b),P-FLIGHT::QAR2(D)
- S(c);N_GUARD,SBLOCK::QAR(D)
- S(c);N_GUARD::QAR(D)
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).