MESON Chess Problem Database

Problem Display
PID: 36166 (6R1/3K1p2/6b1/R4nkP/3Q4/8/3N1B2/8 w - - 0 1)

Garai, Toma

2nd Prize, Israel Ring Ty., 1965

6R1/3K1p2/6b1/R4nkP/3Q4/8/3N1B2/8

#2

7 + 4

5978 Jerusalem Post 1965
3772 FIDE Album (1965-1967) 1976

SOLUTION

  • SOUND
  • Sets
    • 1...Kxh5
      • 2.Qh4#
  • Tries
    • 1.Sf3+?
      • 1...Kxh5
        • 2.Qh4#
      • 1...Kh6!
    • 1.Rxf5+?
      • 1...Kh6
        • 2.Qg7#
      • 1...Kxf5!
    • 1.Rxg6+?
      • 1...Kxh5
        • 2.Qg4#
      • 1...fxg6!
    • 1.Qf4+?
      • 1...Kxh5
        • 2.Qh4#
      • 1...Kf6
        • 2.Se4#
        • 2.Bd4#
        • 2.Bh4#
        • 2.Ra6#
      • 1...Kxf4!
    • 1.hxg6?
      • threat
        • 2.Qh4#
      • 1...Kh5
        • 2.Qh4#
      • 1...Kh6!
    • 1.h6?
      • threat
        • 2.Qh4#
      • 1...Kh5
        • 2.Qh4#
      • 1...Kxh6!
  • Keys
    • 1.Qf6+!
      • 1...Kf4
        • 2.Ra4#
      • 1...Kg4
        • 2.Qxf5#
      • 1...Kxh5
        • 2.Qh4#
      • 1...Kxf6
        • 2.Se4#
      • 1...Kh6
        • 2.Rh8#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINB(c),P-FLIGHT,XP(E)::QAR1(C)
  • Tries
    • Try
      • S(A);CHECK
      • Vars
        • K(b);N_SPINB(c),P-FLIGHT,XP(E)::QAR1(C)
      • Refutation
        • K(b);N_SPINB(c),N_SPINS(a),S_FLIGHT
    • Try
      • R(D);CHECK,XS(a)
      • Vars
        • K(b);N_SPINB(c),S_FLIGHT::QAB1(C)
      • Refutation
        • K(b);N_SPINB(c),P-FLIGHT,XR(D)
    • Try
      • R(G);CHECK,XB(c)
      • Vars
        • K(b);P-FLIGHT,XP(E)::QAB1(C)
      • Refutation
        • P(d);XR(G)
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);N_SPINB(c),P-FLIGHT,XP(E)::QAR1(C)
      • Refutation
        • K(b);N_SPINB(c),N_SPINS(a),S_FLIGHT,XQ(C)
    • Try
      • P(E);XB(c)
      • Threat
        • QAB1(C)
      • Vars
        • K(b);P-FLIGHT::QAR1(C)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT
    • Try
      • P(E);
      • Threat
        • QAB1(C)
      • Vars
        • K(b);N_SPINB(c),P-FLIGHT::QAR1(C)
      • Refutation
        • K(b);N_SPINB(c),N_SPINS(a),S_FLIGHT,XP(E)
  • Actual
    • Q(C);CHECK
    • Vars
      • K(b);N_SPINB(c),S_FLIGHT::R(D)
      • K(b);N_SPINS(a),P-FLIGHT::QAB1(C),XS(a)
      • K(b);N_SPINB(c),OGATE,P-FLIGHT,XP(E)::QAR1(C)
      • K(b);N_SPINB(c),N_SPINS(a),S_FLIGHT,XQ(C)::S(A)
      • K(b);N_SPINS(a),S_FLIGHT::R(G)
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