MESON Chess Problem Database

Problem Display
PID: 35520 (8/2pp1B2/3k1B2/8/8/2Q4K/8/8 w - - 0 1)

Zheltonozhko, Vladimir Ivanovich

Smena, 1994

8/2pp1B2/3k1B2/8/8/2Q4K/8/8

#2

4 + 3

3705 Album Russia (1992-1994) 2000
5454 Near Snap 2009

SOLUTION

  • SOUND
  • Sets
    • 1...c6
      • 2.Qe5#
  • Tries
    • 1.Kg2?
      • 1...c6
        • 2.Qe5#
      • 1...c5!
    • 1.Kh2?
      • 1...c6
        • 2.Qe5#
      • 1...c5!
    • 1.Kg3?
      • 1...c6
        • 2.Qe5#
      • 1...c5!
    • 1.Kg4?
      • 1...c6
        • 2.Qe5#
      • 1...c5!
    • 1.Kh4?
      • 1...c6
        • 2.Qe5#
      • 1...c5!
    • 1.Bg7?
      • threat
        • 2.Bf8#
      • 1...Ke7
        • 2.Qf6#
      • 1...c6
        • 2.Qe5#
      • 1...c5!
    • 1.Ba2?
      • 1...c6
        • 2.Qe5#
      • 1...c5!
    • 1.Bb3?
      • 1...c6
        • 2.Qe5#
      • 1...c5!
    • 1.Bg8?
      • 1...c6
        • 2.Qe5#
      • 1...c5!
    • 1.Qb4+?
      • 1...c5
        • 2.Qb6#
      • 1...Kc6!
    • 1.Qa5?
      • threat
        • 2.Qd5#
      • 1...c5
        • 2.Qb6#
      • 1...c6
        • 2.Qe5#
      • 1...Kc6!
  • Keys
    • 1.Bd8!
      • threat
        • 2.Qxc7#
      • 1...c5
        • 2.Qf6#
      • 1...c6
        • 2.Qd4#

Anticipated by 79326(1961)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::QAB1(A)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • P(b);SBLOCK::QAB1(A)
      • Refutation
        • P(b);
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(b);SBLOCK::QAB1(A)
      • Refutation
        • P(b);
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(b);SBLOCK::QAB1(A)
      • Refutation
        • P(b);
    • Try
      • K(B);S_FLIGHT
      • Vars
        • P(b);SBLOCK::QAB1(A)
      • Refutation
        • P(b);
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(b);SBLOCK::QAB1(A)
      • Refutation
        • P(b);
    • Try
      • B(C);
      • Threat
        • B(C)
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • P(b);SBLOCK::QAB1(A)
      • Refutation
        • P(b);
    • Try
      • B(D);
      • Vars
        • P(b);SBLOCK::QAB1(A)
      • Refutation
        • P(b);
    • Try
      • B(D);
      • Vars
        • P(b);SBLOCK::QAB1(A)
      • Refutation
        • P(b);
    • Try
      • B(D);
      • Vars
        • P(b);SBLOCK::QAB1(A)
      • Refutation
        • P(b);
    • Try
      • Q(A);CHECK
      • Vars
        • P(b);N_GUARD,P_SPINP(b)::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • P(b);N_GUARD::QAR2(A)
        • P(b);SBLOCK::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(C);
    • Threat
      • QAB1(A),XP(b)
    • Vars
      • P(b);SBLOCK::QAR2(A)
HTML5 logo

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).