MESON Chess Problem Database

Problem Display
PID: 58756 (8/1B6/4P1QB/8/1N6/5P1N/R1qpkP2/1b4RK w - - 0 1)

Szoghy, Jozsef

4th Prize, Argentine Chess Federation, 1960

8/1B6/4P1QB/8/1N6/5P1N/R1qpkP2/1b4RK

#2

11 + 4

264 Magyar Sakkelet 1951

SOLUTION

  • SOUND
  • Sets
    • 1...Qb3
      • 2.Rxd2#
    • 1...Qa4
      • 2.Rxd2#
    • 1...Qf5
      • 2.Rxd2#
    • 1...Qxg6
      • 2.Rxd2#
    • 1...Qc4
      • 2.Rxd2#
    • 1...Qc5
      • 2.Rxd2#
    • 1...Qc7
      • 2.Rxd2#
    • 1...Qc8
      • 2.Rxd2#
    • 1...d1Q
      • 2.Qe4#
    • 1...d1S
      • 2.Qd3#
    • 1...d1B
      • 2.Qd3#
      • 2.Qe4#
    • 1...d1R
      • 2.Qe4#
  • Tries
    • 1.Kg2?
      • threat
        • 2.Sf4#
      • 1...d1Q
        • 2.Qe4#
      • 1...d1S
        • 2.Ba6#
        • 2.Qd3#
      • 1...d1B
        • 2.Ba6#
        • 2.Qd3#
        • 2.Qe4#
      • 1...d1R
        • 2.Qe4#
      • 1...Qe4
        • 2.Rxd2#
      • 1...Qf5
        • 2.Rxd2#
      • 1...Qc4
        • 2.Rxd2#
      • 1...Qc7
        • 2.Rxd2#
      • 1...Qxg6+!
    • 1.Sxc2?
      • threat
        • 2.Sd4#
        • 2.Qe4#
      • 1...d1S
        • 2.Sd4#
        • 2.Re1#
      • 1...Bxc2!
    • 1.Ba6+?
      • 1...Kxf3
        • 2.Rg3#
        • 2.Qg2#
        • 2.Qg4#
      • 1...Qd3
        • 2.Qe4#
      • 1...Qc4!
  • Keys
    • 1.Qg3!
      • threat
        • 2.Sf4#
      • 1...d1Q
        • 2.Qe5#
      • 1...d1S
        • 2.Ba6#
      • 1...d1B
        • 2.Ba6#
        • 2.Qe5#
      • 1...d1R
        • 2.Qe5#
      • 1...Qe4
        • 2.Rxd2#
      • 1...Qf5
        • 2.Rxd2#
      • 1...Qc4
        • 2.Rxd2#
      • 1...Qc7
        • 2.Rxd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • Q(b);OGATE,P_SPINP(c)::R1(C),XP(c)
    • Q(b);OGATE,P_SPINP(c),XQ(I)::R1(C),XP(c)
    • P(c);P_PINR(A),P_SPINQ(b)::QAR2(I)
    • P(c);P_SPINQ(b)::QAB1(I)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Threat
        • S(F)
      • Vars
        • P(c);P_SPINQ(b)::QAR2(I)
        • Q(b);OGATE,P_PINP(E),P_SPINP(c)::R1(C),XP(c)
        • Q(b);OGATE,P_SPINP(c)::R1(C),XP(c)
      • Refutation
        • Q(b);CHECK,P_SPINP(c),XQ(I)
    • Try
      • S(G);XQ(b)
      • Threat
        • DUALS(2)
      • Refutation
        • B(a);XS(G)
    • Try
      • B(K);CHECK
      • Vars
        • Q(b);P_SPINP(c),P_SPINQ(b)::QAR2(I)
      • Refutation
        • Q(b);P_SPINP(c),P_SPINQ(b)
  • Actual
    • Q(I);
    • Threat
      • S(F)
    • Vars
      • P(c);P_PINR(A),P_SPINQ(b)::QAR(I)
      • P(c);P_SPINQ(b)::B(K)
      • Q(b);OGATE,P_PINP(E),P_SPINP(c)::R1(C),XP(c)
      • Q(b);OGATE,P_SPINP(c)::R1(C),XP(c)
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