MESON Chess Problem Database

Problem Display
PID: 164491 (2R5/8/8/8/7K/5p2/5n2/5Qbk w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 1996

2R5/8/8/8/7K/5p2/5n2/5Qbk

#2

3 + 4

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Kg3?
      • 1...Sd1
        • 2.Rh8#
        • 2.Qxf3#
      • 1...Sd3
        • 2.Rh8#
        • 2.Qxf3#
      • 1...Sh3
        • 2.Qxf3#
      • 1...Sg4
        • 2.Qxf3#
      • 1...Se4+!
    • 1.Rc1?
      • threat
        • 2.Qxg1#
      • 1...Kh2
        • 2.Qxg1#
      • 1...Sh3
        • 2.Qxh3#
      • 1...Sd1!
  • Keys
    • 1.Rc2!
      • 1...Kh2
        • 2.Qh3#
      • 1...Sd1
        • 2.Qxf3#
      • 1...Sd3
        • 2.Qxf3#
      • 1...Sh3
        • 2.Qxf3#
      • 1...Se4
        • 2.Qxf3#
      • 1...Sg4
        • 2.Qxf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • S(c);OGATE::QAB(A),XP(d)
      • Refutation
        • S(c);CHECK
    • Try
      • R(C);
      • Threat
        • QAR1(A),XB(a)
      • Vars
        • K(b);N_SPINB(a),P-FLIGHT::QAB1(A),XB(a)
        • S(c);N_GUARD::QAR2(A),XS(c)
      • Refutation
        • S(c);
  • Actual
    • R(C);
    • Vars
      • K(b);N_SPINB(a),P-FLIGHT,P_SPINS(c)::QAR1(A)
      • S(c);OGATE::QAB(A),XP(d)
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