MESON Chess Problem Database

Problem Display
PID: 225144 (3K4/2p4N/RP4R1/4k3/N1P2pP1/1B6/n1P1PP1n/1Q4B1 w - - 0 1)

Szoghy, Jozsef

Suomen Shakki, 1947

3K4/2p4N/RP4R1/4k3/N1P2pP1/1B6/n1P1PP1n/1Q4B1

#2

14 + 5

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Ra5+?
      • 1...Kd4
        • 2.f3#
      • 1...Ke4
        • 2.c3#
      • 1...c5!
    • 1.Re6+?
      • 1...Kd4
        • 2.Qd1#
        • 2.f3#
      • 1...Kxe6!
    • 1.Qa1+?
      • 1...Ke4
        • 2.Sc5#
        • 2.Sg5#
        • 2.Sf6#
        • 2.Re6#
      • 1...Sc3!
    • 1.Qb2+?
      • 1...Ke4
        • 2.Sc5#
        • 2.Sg5#
        • 2.Sf6#
        • 2.Re6#
      • 1...Sc3!
  • Keys
    • 1.Rg5+!
      • 1...Kd4
        • 2.f3#
      • 1...Ke4
        • 2.c3#
      • 1...Kd6
        • 2.bxc7#
      • 1...Ke6
        • 2.c5#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(J);CHECK
      • Vars
        • K(d);S_FLIGHT::B(B)+P(E)
        • K(d);P-FLIGHT::QAB(A)+P(C)
      • Refutation
        • P(e);P_SPINP(e)
    • Try
      • R(L);CHECK
      • Refutation
        • K(d);P-FLIGHT,XR(L)
    • Try
      • Q(A);CHECK
      • Refutation
        • S(a);P_SPINS(a)
    • Try
      • Q(A);CHECK
      • Refutation
        • S(a);P_SPINS(a)
  • Actual
    • R(L);CHECK
    • Vars
      • K(d);S_FLIGHT::B(B)+P(E)
      • K(d);P-FLIGHT::QAB(A)+P(C)
      • K(d);S_FLIGHT::R(J)+P(K),XP(e)
      • K(d);P-FLIGHT::B(F)+P(H)
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