MESON Chess Problem Database

Problem Display
PID: 99641 (8/8/8/1p1pQ3/1P6/3k4/3N4/3K4 w - - 0 1)

Bakay, Bela

Feldmann, Tibor (aka Florian, Tibor)

Magyar Sakkvilag, 1932

8/8/8/1p1pQ3/1P6/3k4/3N4/3K4

#2

4 + 3

6490 yacpdb 2009
5454 Near Snap 2020

SOLUTION

  • SOUND
  • Sets
    • 1...d4
      • 2.Qg3#
  • Tries
    • 1.Sb3?
      • threat
        • 2.Qd4#
      • 1...d4
        • 2.Qxd4#
      • 1...Kc4!
    • 1.Sf3?
      • threat
        • 2.Qd4#
      • 1...d4
        • 2.Qxd4#
      • 1...Kc4!
    • 1.Qa1?
      • 1...d4
        • 2.Qa3#
      • 1...Ke3!
    • 1.Qb2?
      • 1...d4
        • 2.Qa3#
        • 2.Qb3#
      • 1...Ke3!
    • 1.Qf4?
      • 1...d4
        • 2.Qg3#
        • 2.Qf3#
      • 1...Kc3!
    • 1.Qf6?
      • 1...d4
        • 2.Qf3#
      • 1...Ke3!
    • 1.Qg7?
      • 1...d4
        • 2.Qg3#
      • 1...Ke3!
    • 1.Qh8?
      • 1...d4
        • 2.Qh3#
      • 1...Ke3!
  • Keys
    • 1.Sb1!
      • 1...Kc4
        • 2.Qc3#
      • 1...d4
        • 2.Qe2#

Anticipated by 203248(1924)

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(c);SBLOCK::QAR(D)
  • Tries
    • Try
      • S(B);
      • Threat
        • QAR1(D)
      • Vars
        • P(c);::QAR1(D),XP(c)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Threat
        • QAR1(D)
      • Vars
        • P(c);::QAR1(D),XP(c)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • P(c);SBLOCK::QAR(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(D);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(D);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(D);
      • Vars
        • P(c);SBLOCK::QAR2(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(D);
      • Vars
        • P(c);SBLOCK::QAR(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(D);
      • Vars
        • P(c);SBLOCK::QAR(D)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(a);S_FLIGHT::QAR1(D)
      • P(c);SBLOCK::QAB1(D)
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