MESON Chess Problem Database

Problem Display
PID: 56783 (2N2RB1/7n/5P1N/3PkP2/4p2R/6K1/8/5bQ1 w - - 0 1)

Szoghy, Jozsef

1st Prize, Magyar Sakkelet, 1965

2N2RB1/7n/5P1N/3PkP2/4p2R/6K1/8/5bQ1

#2

10 + 4

3772 FIDE Album (1965-1967) 1976

SOLUTION

  • SOUND
  • Sets
    • 1...Be2
      • 2.Qa1#
    • 1...Bg2
      • 2.Qa1#
    • 1...Bd3
      • 2.Qa1#
    • 1...Bh3
      • 2.Qa1#
    • 1...Bc4
      • 2.Qa1#
    • 1...Bb5
      • 2.Qa1#
    • 1...Ba6
      • 2.Qa1#
    • 1...e3
      • 2.Qxe3#
  • Tries
    • 1.Rf4?
      • threat
        • 2.Sg4#
      • 1...Be2
        • 2.Qa1#
      • 1...Bh3
        • 2.Qa1#
      • 1...Sxf6!
    • 1.Qf2?
      • threat
        • 2.Sg4#
        • 2.Qb2#
      • 1...Sxf6
        • 2.Qb2#
      • 1...Bh3
        • 2.Qb2#
      • 1...e3
        • 2.Qxe3#
        • 2.Qb2#
        • 2.Qf4#
      • 1...Be2!
    • 1.Qe3?
      • threat
        • 2.Rxe4#
        • 2.Qc3#
        • 2.Qxe4#
      • 1...Sxf6
        • 2.Qc3#
      • 1...Sxf8
        • 2.Qc3#
      • 1...Bg2
        • 2.Qc3#
      • 1...Sg5
        • 2.Qc3#
      • 1...Bd3!
    • 1.Qc5?
      • threat
        • 2.Qc3#
        • 2.d6#
      • 1...Sxf6
        • 2.Qc3#
      • 1...Sxf8
        • 2.Qc3#
      • 1...Bc4!
    • 1.Qb6?
      • threat
        • 2.Re8#
        • 2.Qb2#
      • 1...Sxf6
        • 2.Qb2#
        • 2.Qxf6#
      • 1...Sxf8
        • 2.Qb2#
      • 1...Sg5
        • 2.Qb2#
      • 1...Bb5!
  • Keys
    • 1.Be6!
      • threat
        • 2.Sg4#
      • 1...Sxf6
        • 2.Sf7#
      • 1...Be2
        • 2.Qa1#
      • 1...Bh3
        • 2.Qa1#
      • 1...e3
        • 2.Qxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • B(a);OGATE::QAB(A)
    • P(b);OGATEB::QAR2(A),XP(b)
  • Tries
    • Try
      • R(C);
      • Threat
        • S(G)
      • Vars
        • B(a);OGATE::QAB(A)
      • Refutation
        • S(d);XP(F)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(d);XP(F)::QAB(A)
        • B(a);::QAB(A)
      • Refutation
        • B(a);
    • Try
      • Q(A);P_PINP(b)
      • Threat
        • DUALS(3)
      • Vars
        • S(d);XP(F)::QAB(A)
        • S(d);XR(I)::QAB(A)
        • B(a);::QAB(A)
        • S(d);::QAB(A)
      • Refutation
        • B(a);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(d);XP(F)::QAB(A)
        • S(d);XR(I)::QAB(A)
      • Refutation
        • B(a);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(d);XR(I)::QAB(A)
        • S(d);::QAB(A)
      • Refutation
        • B(a);
  • Actual
    • B(J);
    • Threat
      • S(G)
    • Vars
      • S(d);SBLOCK,XP(F)::S(G)
      • B(a);OGATE::QAB(A)
      • P(b);OGATEB::QAR2(A),XP(b)
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