MESON Chess Problem Database

Problem Display
PID: 60008 (4BN2/7p/2PP3K/QN6/1p1BkP2/1P2P1R1/P3R3/8 w - - 0 1)

Chepizhni, Viktor Ivanovich

1st Prize, Lenin MT, 1970-1971

4BN2/7p/2PP3K/QN6/1p1BkP2/1P2P1R1/P3R3/8

#2

14 + 3

3751 FIDE Album (1968-1970) 1977
6167 Viktor Chepizhny 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.e4#
    • 1...Kf5
      • 2.Sc3#
  • Tries
    • 1.Kxh7?
      • 1...Kd5
        • 2.e4#
      • 1...Kf5
        • 2.Sc3#
        • 2.Bg6#
      • 1...Kd3!
    • 1.Sc3+?
      • 1...Kd3
        • 2.Qb5#
        • 2.Qf5#
        • 2.Qa6#
      • 1...bxc3!
    • 1.Be5?
      • 1...Kd5
        • 2.Sc3#
      • 1...Kf5
        • 2.e4#
      • 1...Kd3!
    • 1.Bd7?
      • 1...Kd5
        • 2.e4#
      • 1...Kd3!
    • 1.Bf7?
      • 1...Kf5
        • 2.Sc3#
      • 1...Kd3!
    • 1.Re1?
      • 1...Kd5
        • 2.e4#
      • 1...Kf5
        • 2.Sc3#
      • 1...Kd3!
    • 1.Rd2?
      • 1...Kf5
        • 2.Sc3#
      • 1...Kd5!
    • 1.Qc7?
      • 1...Kd5
        • 2.e4#
      • 1...Kf5
        • 2.Qxh7#
      • 1...Kd3!
    • 1.Qa6?
      • 1...Kd3
        • 2.Sc3#
      • 1...Kd5
        • 2.e4#
      • 1...Kf5!
    • 1.Qa7?
      • 1...Kd5
        • 2.e4#
      • 1...Kf5
        • 2.Qxh7#
      • 1...Kd3!
    • 1.f5?
      • 1...Kd5
        • 2.e4#
      • 1...Kxf5
        • 2.Sc3#
      • 1...Kd3!
    • 1.c7?
      • 1...Kd5
        • 2.Qa8#
        • 2.e4#
      • 1...Kf5
        • 2.Sc3#
      • 1...Kd3!
  • Keys
    • 1.Bh5!
      • 1...Kd3
        • 2.e4#
      • 1...Kd5
        • 2.Bf3#
      • 1...Kf5
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);OGATE,S_FLIGHT::P(D)
    • K(b);S_FLIGHT::QAR(H)+S(I)
  • Tries
    • Try
      • K(L);P-FLIGHT,XP(c)
      • Vars
        • K(b);OGATE,S_FLIGHT::P(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(I);CHECK
      • Refutation
        • P(a);XS(I)
    • Try
      • B(F);
      • Vars
        • K(b);S_FLIGHT::QAR(H)+S(I),DCHECK
        • K(b);OGATE,S_FLIGHT::P(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(M);
      • Vars
        • K(b);OGATE,S_FLIGHT::P(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(M);
      • Vars
        • K(b);S_FLIGHT::QAR(H)+S(I)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • K(b);OGATE,S_FLIGHT::P(D)
        • K(b);S_FLIGHT::QAR(H)+S(I)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • K(b);S_FLIGHT::QAR(H)+S(I)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(H);
      • Vars
        • K(b);OGATE,S_FLIGHT::P(D)
        • K(b);S_FLIGHT::QAB(H),XP(c)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(H);
      • Vars
        • K(b);S_FLIGHT::QAB(H)+S(I)
        • K(b);OGATE,S_FLIGHT::P(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(H);
      • Vars
        • K(b);OGATE,S_FLIGHT::P(D)
        • K(b);S_FLIGHT::QAB(H),XP(c)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(G);
      • Vars
        • K(b);OGATE,S_FLIGHT::P(D)
        • K(b);S_FLIGHT,XP(G)::QAR(H)+S(I)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(J);
      • Vars
        • K(b);S_FLIGHT::QAR(H)+S(I)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(M);
    • Vars
      • K(b);OGATE,S_FLIGHT::R(E)+P(D)
      • K(b);S_FLIGHT::B(M)
      • K(b);S_FLIGHT::QAR(H)+S(I)
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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).