Meson Chess Problem Database

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Problem Display

PID: 218578 (8/8/K5P1/1NPk1N2/3B2B1/P5P1/2P5/8 w - - 0 1)

Sellman, Alexander G

Cincinnati Commercial, 1882

8/8/K5P1/1NPk1N2/3B2B1/P5P1/2P5/8

#2

10 + 1

6490	yacpdb	2020

SOLUTION

SOUND
Sets
- 1...Kc4
  - 2.Se3#
- 1...Ke4
  - 2.Sc3#
- 1...Kc6
  - 2.Se7#
Tries
- 1.Kb6?
  - 1...Kc4
    - 2.Se3#
  - 1...Ke4
    - 2.Sc3#
  - 1...Ke6!
- 1.Sh4?
  - 1...Kc4
    - 2.Be6#
  - 1...Ke4
    - 2.Bf3#
  - 1...Kc6!
- 1.Se7+?
  - 1...Kc4
    - 2.Be2#
    - 2.Be6#
  - 1...Ke4!
- 1.Bf3+?
  - 1...Kc4
    - 2.Sbd6#
    - 2.Se3#
    - 2.Sfd6#
  - 1...Ke6!
- 1.g7?
  - 1...Kc4
    - 2.Se3#
    - 2.g8Q#
    - 2.g8B#
  - 1...Ke4
    - 2.Sc3#
  - 1...Kc6
    - 2.Se7#
  - 1...Ke6!
Keys
- 1.c6!
  - 1...Kc4
    - 2.Se3#
  - 1...Ke4
    - 2.Sc3#
  - 1...Kxc6
    - 2.Se7#
  - 1...Ke6
    - 2.Sc7#

FEATURES

Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
Sets
- K(a);S_FLIGHT::S(H)
- K(a);S_FLIGHT::S(F)
Tries
- Try
  - K(I);P-FLIGHT
  - Vars
    - K(a);S_FLIGHT::S(H)
    - K(a);S_FLIGHT::S(F)
  - Refutation
    - K(a);S_FLIGHT
- Try
  - S(H);
  - Vars
    - K(a);S_FLIGHT::B(E)
  - Refutation
    - K(a);S_FLIGHT
- Try
  - S(H);CHECK
  - Refutation
    - K(a);S_FLIGHT
- Try
  - B(E);CHECK
  - Refutation
    - K(a);S_FLIGHT
- Try
  - P(J);
  - Vars
    - K(a);S_FLIGHT::S(F)
    - K(a);S_FLIGHT::S(H)
  - Refutation
    - K(a);S_FLIGHT
Actual
- P(G);
- Vars
  - K(a);S_FLIGHT::S(H)
  - K(a);S_FLIGHT::S(F)
  - K(a);S_FLIGHT,XP(G)::S(H)

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).