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Problem Display

PID: 82491 (8/8/2p5/2K1R1Np/5pbk/4Np2/5PP1/8 w - - 0 1)

Havel, Miroslav

Ruch, 1947

8/8/2p5/2K1R1Np/5pbk/4Np2/5PP1/8

#2

6 + 6

6490	yacpdb	2009

SOLUTION

SOUND
Sets
- 1...Bh3
  - 2.Sxf3#
- 1...Bf5
  - 2.Sxf3#
- 1...Be6
  - 2.Sxf3#
- 1...Bd7
  - 2.Sxf3#
- 1...Bc8
  - 2.Sxf3#
- 1...fxg2
  - 2.Sxg2#
- 1...fxe3
  - 2.g3#
Tries
- 1.Kb4?
  - 1...fxg2
    - 2.Sxg2#
  - 1...fxe3
    - 2.g3#
  - 1...Bf5
    - 2.Sxf3#
  - 1...Bh3
    - 2.Sxf3#
  - 1...Be6
    - 2.Sxf3#
  - 1...Bd7
    - 2.Sxf3#
  - 1...Bc8
    - 2.Sxf3#
  - 1...c5+!
- 1.Kd4?
  - 1...fxg2
    - 2.Sxg2#
  - 1...fxe3
    - 2.g3#
  - 1...Bf5
    - 2.Sxf3#
  - 1...Bh3
    - 2.Sxf3#
  - 1...Be6
    - 2.Sxf3#
  - 1...Bd7
    - 2.Sxf3#
  - 1...Bc8
    - 2.Sxf3#
  - 1...c5+!
- 1.Kb6?
  - 1...fxg2
    - 2.Sxg2#
  - 1...fxe3
    - 2.g3#
  - 1...Bf5
    - 2.Sxf3#
  - 1...Bh3
    - 2.Sxf3#
  - 1...Be6
    - 2.Sxf3#
  - 1...Bd7
    - 2.Sxf3#
  - 1...Bc8
    - 2.Sxf3#
  - 1...c5!
- 1.Kxc6?
  - 1...fxg2
    - 2.Sxg2#
  - 1...fxe3
    - 2.g3#
  - 1...Bf5
    - 2.Sxf3#
  - 1...Bh3
    - 2.Sxf3#
  - 1...Be6
    - 2.Sxf3#
  - 1...Bc8
    - 2.Sxf3#
  - 1...Bd7+!
- 1.Kd6?
  - 1...fxg2
    - 2.Sxg2#
  - 1...fxe3
    - 2.g3#
  - 1...Bf5
    - 2.Sxf3#
  - 1...Bh3
    - 2.Sxf3#
  - 1...Be6
    - 2.Sxf3#
  - 1...Bd7
    - 2.Sxf3#
  - 1...Bc8
    - 2.Sxf3#
  - 1...c5!
- 1.Rd5?
  - 1...fxg2
    - 2.Sxg2#
  - 1...fxe3
    - 2.g3#
  - 1...Bf5
    - 2.Sxf3#
  - 1...Bh3
    - 2.Sxf3#
  - 1...Be6
    - 2.Sxf3#
  - 1...Bd7
    - 2.Sxf3#
  - 1...Bc8
    - 2.Sxf3#
  - 1...cxd5!
Keys
- 1.Rf5!
  - 1...Bxf5
    - 2.Sxf3#
  - 1...fxg2
    - 2.Sxg2#
  - 1...fxe3
    - 2.g3#
  - 1...Bh3
    - 2.Sxf3#

FEATURES

Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
Sets
- B(c);N_GUARD::S(F),XP(a)
- P(a);XP(B)::S(C),XP(a)
- P(b);N_GUARD,XS(C)::P(B)
Tries
- Try
  - K(D);S_FLIGHT
  - Vars
    - P(a);XP(B)::S(C),XP(a)
    - P(b);N_GUARD,XS(C)::P(B)
    - B(c);N_GUARD::S(F),XP(a)
  - Refutation
    - P(f);CHECK
- Try
  - K(D);S_FLIGHT
  - Vars
    - P(a);XP(B)::S(C),XP(a)
    - P(b);N_GUARD,XS(C)::P(B)
    - B(c);N_GUARD::S(F),XP(a)
  - Refutation
    - P(f);CHECK
- Try
  - K(D);S_FLIGHT
  - Vars
    - P(a);XP(B)::S(C),XP(a)
    - P(b);N_GUARD,XS(C)::P(B)
    - B(c);N_GUARD::S(F),XP(a)
  - Refutation
    - P(f);
- Try
  - K(D);P-FLIGHT,XP(f)
  - Vars
    - P(a);XP(B)::S(C),XP(a)
    - P(b);N_GUARD,XS(C)::P(B)
    - B(c);N_GUARD::S(F),XP(a)
  - Refutation
    - B(c);CHECK
- Try
  - K(D);S_FLIGHT
  - Vars
    - P(a);XP(B)::S(C),XP(a)
    - P(b);N_GUARD,XS(C)::P(B)
    - B(c);N_GUARD::S(F),XP(a)
  - Refutation
    - P(f);
- Try
  - R(E);
  - Vars
    - P(a);XP(B)::S(C),XP(a)
    - P(b);N_GUARD,XS(C)::P(B)
    - B(c);N_GUARD::S(F),XP(a)
  - Refutation
    - P(f);XR(E)
Actual
- R(E);
- Vars
  - B(c);N_GUARD,XR(E)::S(F),XP(a)
  - P(a);XP(B)::S(C),XP(a)
  - P(b);N_GUARD,XS(C)::P(B)
  - B(c);N_GUARD::S(F),XP(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).