MESON Chess Problem Database
Problem Display
PID: 166257 (3k4/8/3K2b1/8/8/8/7Q/8 w - - 0 1)
Kauder, Georg
Deutsche Schachzeitung, 1917
#2
2 + 2
| 14986 | White-Hume Collection | 2018 |
| 5454 | Near Snap | 2019 |
| 3713 | Snap | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Bb1
- 2.Qh8#
- 1...Bc2
- 2.Qh8#
- 1...Bd3
- 2.Qh8#
- 1...Be4
- 2.Qh8#
- 1...Bf5
- 2.Qh8#
- 1...Bb1
- Tries
- 1.Qh1?
- threat
- 2.Qa8#
- 1...Kc8
- 2.Qa8#
- 1...Be4
- 2.Qh8#
- 1...Bf5
- 2.Qh8#
- 1...Ke8!
- threat
- 1.Qg2?
- threat
- 2.Qa8#
- 1...Kc8
- 2.Qa8#
- 1...Be4
- 2.Qg8#
- 1...Bf5
- 2.Qg8#
- 1...Ke8!
- threat
- 1.Qh4+?
- 1...Ke8
- 2.Qe7#
- 1...Kc8!
- 1...Ke8
- 1.Qh1?
- Keys
- 1.Qa2!
- threat
- 2.Qa8#
- 1...Kc8
- 2.Qa8#
- 1...Ke8
- 2.Qg8#
- 1...Be4
- 2.Qg8#
- 1...Bf5
- 2.Qg8#
- threat
- 1.Qa2!
Anticipated by 47227(1849), 110515(1870), 183106(1907), 193729(1916)
This anticipates 149134(1929), 172254(1996), 173962(2005), 169981(2017)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- B(a);N_GUARD::QAR(A)
- Tries
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- K(b);P-FLIGHT::QAR2(A)
- B(a);N_GUARD::QAR(A)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- K(b);P-FLIGHT::QAR2(A)
- B(a);OGATE::QAR(A)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(A)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- Q(A);
- Threat
- QAR(A)
- Vars
- K(b);P-FLIGHT::QAR2(A)
- B(a);N_GUARD::QAR(A)
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).