MESON Chess Problem Database

Problem Display
PID: 203222 (8/8/5K2/1Qpk1B2/8/4P3/8/8 w - - 0 1)

Neukomm, Gyula (Julius) R

Schweizerische Schachzeitung, 1924

8/8/5K2/1Qpk1B2/8/4P3/8/8

#2

4 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Qd7#
  • Tries
    • 1.Kg5?
      • 1...Ke5
        • 2.Qxc5#
      • 1...Kd6!
    • 1.Kg6?
      • 1...Ke5
        • 2.Qxc5#
      • 1...Kd6!
    • 1.Kf7?
      • 1...Ke5
        • 2.Qxc5#
      • 1...Kd6!
    • 1.Kg7?
      • 1...Ke5
        • 2.Qxc5#
      • 1...Kd6!
    • 1.Bh3?
      • 1...Kd6
        • 2.Qd7#
      • 1...Ke4!
    • 1.Be4+?
      • 1...Kd6
        • 2.Qc6#
      • 1...Kxe4!
    • 1.Bg4?
      • 1...Kd6
        • 2.Qd7#
      • 1...Ke4!
    • 1.Be6+?
      • 1...Kd6
        • 2.Qd7#
        • 2.Qb6#
      • 1...Ke4!
    • 1.Bd7?
      • threat
        • 2.Qd3#
      • 1...Kd6
        • 2.Qc6#
      • 1...Ke4!
    • 1.Bc8?
      • 1...Kd6
        • 2.Qd7#
      • 1...Ke4!
    • 1.Qa4?
      • 1...Kd6
        • 2.Qd7#
      • 1...c4!
    • 1.Qb6?
      • threat
        • 2.Qe6#
      • 1...c4
        • 2.e4#
      • 1...Kc4!
    • 1.Qb7+?
      • 1...Kd6
        • 2.Qd7#
      • 1...Kc4!
    • 1.e4+?
      • 1...Kd6
        • 2.Qd7#
        • 2.Qb6#
      • 1...Kd4!
  • Keys
    • 1.Ke7!
      • 1...Ke5
        • 2.Qxc5#

FEATURES

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