MESON Chess Problem Database

Problem Display
PID: 206703 (8/8/8/4KB2/8/5k2/5p1P/5Q1b w - - 0 1)

Neukomm, Gyula (Julius) R

Magyar Sakkvilag, 1925

8/8/8/4KB2/8/5k2/5p1P/5Q1b

#2

4 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qd3#
    • 1...Bg2
      • 2.Qd3#
  • Tries
    • 1.Bd3?
      • threat
        • 2.Qh3#
      • 1...Ke3
        • 2.Qe2#
      • 1...Bg2
        • 2.Qe2#
      • 1...Kg4!
    • 1.Be4+?
      • 1...Ke3
        • 2.Qd3#
      • 1...Kg4!
    • 1.Bg4+?
      • 1...Ke3
        • 2.Qe2#
      • 1...Kxg4!
    • 1.Be6?
      • 1...Bg2
        • 2.Qd3#
      • 1...Ke3!
    • 1.Bd7?
      • 1...Bg2
        • 2.Qd3#
      • 1...Ke3!
    • 1.Bc8?
      • 1...Bg2
        • 2.Qd3#
      • 1...Ke3!
    • 1.Qd1+?
      • 1...Ke3
        • 2.Qd3#
      • 1...Kg2!
    • 1.h3?
      • 1...Ke3
        • 2.Qd3#
      • 1...Bg2
        • 2.Qd3#
      • 1...Kg3!
  • Keys
    • 1.h4!
      • 1...Ke3
        • 2.Qd3#
      • 1...Kg3
        • 2.Qh3#
      • 1...Bg2
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(c);N_SPINP(b),P-FLIGHT::QAR1(A)
    • B(a);SBLOCK::QAR2(A)
  • Tries
    • Try
      • B(D);
      • Threat
        • QAR2(A)
      • Vars
        • K(c);N_SPINP(b),P-FLIGHT::QAR1(A)
        • B(a);SBLOCK::QAB1(A)
      • Refutation
        • K(c);N_SPINP(b),S_FLIGHT
    • Try
      • B(D);CHECK
      • Vars
        • K(c);N_SPINP(b),P-FLIGHT::QAR1(A)
      • Refutation
        • K(c);N_SPINP(b),S_FLIGHT
    • Try
      • B(D);CHECK
      • Vars
        • K(c);N_SPINP(b),P-FLIGHT::QAR1(A)
      • Refutation
        • K(c);N_SPINP(b),S_FLIGHT,XB(D)
    • Try
      • B(D);
      • Vars
        • B(a);SBLOCK::QAR2(A)
      • Refutation
        • K(c);N_SPINP(b),P-FLIGHT
    • Try
      • B(D);
      • Vars
        • B(a);SBLOCK::QAR2(A)
      • Refutation
        • K(c);N_SPINP(b),P-FLIGHT
    • Try
      • B(D);
      • Vars
        • B(a);SBLOCK::QAR2(A)
      • Refutation
        • K(c);N_SPINP(b),P-FLIGHT
    • Try
      • Q(A);CHECK,N_PINP(b)
      • Vars
        • K(c);P-FLIGHT::QAR1(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • P(B);
      • Vars
        • K(c);N_SPINP(b),P-FLIGHT::QAR1(A)
        • B(a);SBLOCK::QAR2(A)
      • Refutation
        • K(c);N_SPINP(b),P-FLIGHT
  • Actual
    • P(B);
    • Vars
      • K(c);N_SPINP(b),P-FLIGHT::QAR1(A)
      • B(a);SBLOCK::QAR2(A)
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