MESON Chess Problem Database
Problem Display
PID: 201358 (1B2R3/6Q1/1P1PPP2/8/PN1k4/P2P3N/2B1P3/1R3K2 w - - 0 1)
Wurzburg, Otto
Pittsburgh Post, 1922
#2
16 + 1
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kc5
- 2.Qg1#
- 1...Kc5
- Tries
- 1.Ke1?
- 1...Kc3
- 2.f7#
- 1...Ke3
- 2.Qg1#
- 1...Kc5
- 2.Qg1#
- 1...Ke5!
- 1...Kc3
- 1.Qh6?
- 1...Kc5
- 2.Qe3#
- 1...Ke5
- 2.Qf4#
- 1...Kc3!
- 1...Kc5
- 1.Qg3?
- 1...Kc5
- 2.Qf2#
- 2.Qg1#
- 2.Qe3#
- 1...Kc3!
- 1...Kc5
- 1.Qg4+?
- 1...Ke3
- 2.Qf4#
- 1...Kc5
- 2.Qg1#
- 1...Ke5
- 2.Qf4#
- 1...Kc3!
- 1...Ke3
- 1.f7+?
- 1...Kc5
- 2.Qg1#
- 1...Ke3!
- 1...Kc5
- 1.Ke1?
- Keys
- 1.Rd1!
- 1...Kc3
- 2.f7#
- 1...Ke3
- 2.Qg1#
- 1...Kc5
- 2.Qg1#
- 1...Ke5
- 2.d4#
- 1...Kc3
- 1.Rd1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- K(a);S_FLIGHT::QAB(N)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- K(a);S_FLIGHT::QAB(N)+P(M)
- K(a);S_FLIGHT::QAB(N)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(N);
- Vars
- K(a);S_FLIGHT::QAB(N)
- K(a);S_FLIGHT::QAB1(N)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(N);
- Refutation
- K(a);S_FLIGHT
- Try
- Q(N);CHECK
- Vars
- K(a);S_FLIGHT::QAB1(N)
- K(a);S_FLIGHT::QAB(N)
- Refutation
- K(a);S_FLIGHT
- Try
- P(M);CHECK
- Vars
- K(a);S_FLIGHT::QAB(N)
- Refutation
- K(a);S_FLIGHT
- Try
- Actual
- R(A);
- Vars
- K(a);S_FLIGHT::QAB(N)+P(M)
- K(a);S_FLIGHT::QAB(N)
- K(a);OGATE,S_FLIGHT::P(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).