MESON Chess Problem Database

Problem Display
PID: 171357 (2rk1NK1/Q1NB4/8/8/8/8/8/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Minimat, 1995

2rk1NK1/Q1NB4/8/8/8/8/8/8

#2

5 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sd5?
      • threat
        • 2.Se6#
      • 1...Rc7
        • 2.Qxc7#
      • 1...Rc6!
    • 1.Qb6?
      • 1...Ke7
        • 2.Sd5#
      • 1...Rxc7
        • 2.Qf6#
      • 1...Ra8
        • 2.Sd5#
      • 1...Rb8!
  • Keys
    • 1.Qc5!
      • threat
        • 2.Sce6#
      • 1...Rxc7
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • S(D)
      • Vars
        • R(a);N_GUARD::QAB1(A),XR(a)
      • Refutation
        • R(a);
    • Try
      • Q(A);
      • Vars
        • K(b);P_PINS(D),S_FLIGHT::S(B)
        • R(a);P_SPINR(a),SBLOCK,XS(B)::QAB(A)
        • R(a);N_GUARD::QAB(A)+S(B)
      • Refutation
        • R(a);
  • Actual
    • Q(A);
    • Threat
      • S(B)
    • Vars
      • R(a);SBLOCK,XS(B)::QAB(A)
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