MESON Chess Problem Database

Problem Display
PID: 242098 (3N3Q/1KP1p3/5n1r/2Pk4/Np4nR/1P2P2b/1R1rBp2/B7 w - - 0 1)

Szoghy, Jozsef

Magyar Sakkvilag, 1939

3N3Q/1KP1p3/5n1r/2Pk4/Np4nR/1P2P2b/1R1rBp2/B7

#2

12 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sh2
      • 2.Rxd2#
    • 1...Sxe3
      • 2.Rxd2#
    • 1...Se4
      • 2.Bc4#
    • 1...Sh5
      • 2.Bf3#
    • 1...Sd7
      • 2.Bf3#
    • 1...Sh7
      • 2.Bf3#
    • 1...Se8
      • 2.Bf3#
    • 1...Sg8
      • 2.Bf3#
  • Tries
    • 1.Bf3+?
      • 1...Se4
        • 2.Rxd2#
      • 1...Ke5!
    • 1.Qg8+?
      • 1...Ke4
        • 2.Qe6#
      • 1...Ke5
        • 2.Qe6#
      • 1...e6
        • 2.Qxe6#
      • 1...Sxg8!
  • Keys
    • 1.c8Q!
      • threat
        • 2.Qe6#
      • 1...Ke4
        • 2.Qe6#
      • 1...Ke5
        • 2.Qe6#
      • 1...Sxe3
        • 2.Rxd2#
      • 1...Sh2
        • 2.Rxd2#
      • 1...Se5
        • 2.Sb6#
      • 1...Se4
        • 2.Bc4#
      • 1...Sh5
        • 2.Bf3#
      • 1...Sd7
        • 2.Bf3#
      • 1...Sh7
        • 2.Bf3#
      • 1...Se8
        • 2.Bf3#
      • 1...Sg8
        • 2.Bf3#
      • 1...e5
        • 2.Qc6#
      • 1...e6
        • 2.Qxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(e);::R(B),XR(a)
    • S(e);XP(E)::R(B),XR(a)
    • S(g);SBLOCK::B(C)
    • S(g);N_GUARD::B(C)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • S(g);P_SPINS(g)::R(B),XR(a)
      • Refutation
        • K(f);P-FLIGHT,P_SPINS(g)
    • Try
      • Q(L);CHECK
      • Vars
        • K(f);P_SPINS(e),S_FLIGHT::QAR2(L)
        • K(f);P-FLIGHT::QAR1(L)
        • P(i);P_SPINP(i)::QAB1(L),XP(i)
      • Refutation
        • S(g);XQ(L)
  • Actual
    • P(J);
    • Threat
      • QAB1(J)
    • Vars
      • K(f);P_SPINS(e),S_FLIGHT::QAR2(J)
      • K(f);P-FLIGHT,P_SPINS(g)::QAR1(J)
      • S(e);XP(E)::R(B),XR(a)
      • S(e);::R(B),XR(a)
      • S(e);SBLOCK::S(F)
      • S(g);SBLOCK::B(C)
      • S(g);N_GUARD::B(C)
      • P(i);SBLOCK::QAB1(J)
      • P(i);::QAB1(J),XP(i)
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