MESON Chess Problem Database

Problem Display
PID: 203228 (8/8/8/3K4/B2p4/3k4/3b4/3Q2N1 w - - 0 1)

Neukomm, Gyula (Julius) R

Schweizerische Schachzeitung, 1924

8/8/8/3K4/B2p4/3k4/3b4/3Q2N1

#2

4 + 3

5454 Near Snap 2020
6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Qb3#
    • 1...Ke3
      • 2.Qf3#
  • Tries
    • 1.Kc5?
      • 1...Kc3
        • 2.Qc2#
        • 2.Qb3#
      • 1...Ke3
        • 2.Qf3#
      • 1...Ke4!
    • 1.Ke5?
      • 1...Kc3
        • 2.Qb3#
      • 1...Ke3
        • 2.Qe2#
        • 2.Qf3#
      • 1...Kc4!
    • 1.Kc6?
      • 1...Kc3
        • 2.Qb3#
      • 1...Ke3
        • 2.Qf3#
      • 1...Kc4
        • 2.Qb3#
      • 1...Ke4!
    • 1.Ke6?
      • 1...Kc3
        • 2.Qb3#
      • 1...Ke3
        • 2.Qf3#
      • 1...Ke4
        • 2.Qf3#
      • 1...Kc4!
    • 1.Sf3?
      • threat
        • 2.Qxd2#
      • 1...Kc3
        • 2.Qb3#
        • 2.Qxd2#
      • 1...Ke3!
    • 1.Sh3?
      • 1...Kc3
        • 2.Qb3#
      • 1...Ke3!
    • 1.Bc2+?
      • 1...Ke3
        • 2.Qf3#
      • 1...Kc3!
    • 1.Bb3?
      • 1...Ke3
        • 2.Qf3#
      • 1...Kc3!
    • 1.Bb5+?
      • 1...Ke3
        • 2.Qf3#
      • 1...Kc3!
    • 1.Bc6?
      • 1...Ke3
        • 2.Qf3#
      • 1...Kc3!
    • 1.Bd7?
      • 1...Ke3
        • 2.Qf3#
      • 1...Kc3!
    • 1.Be8?
      • 1...Ke3
        • 2.Qf3#
      • 1...Kc3!
    • 1.Qb1+?
      • 1...Kc3
        • 2.Se2#
        • 2.Qb3#
      • 1...Ke3!
    • 1.Qf1+?
      • 1...Ke3
        • 2.Qf3#
      • 1...Kc3!
  • Keys
    • 1.Kd6!
      • 1...Kc3
        • 2.Qb3#
      • 1...Ke3
        • 2.Qf3#
      • 1...Kc4
        • 2.Qb3#
      • 1...Ke4
        • 2.Qf3#

This anticipates 178741(1948)

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINB(a),P-FLIGHT::QAR1(A)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(b);N_SPINB(a),P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);N_SPINB(a),S_FLIGHT
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(b);N_SPINB(a),P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);N_SPINB(a),S_FLIGHT
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(b);N_SPINB(a),P-FLIGHT::QAR1(A)
        • K(b);N_SPINB(a),S_FLIGHT::QAB1(A)
      • Refutation
        • K(b);N_SPINB(a),S_FLIGHT
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(b);N_SPINB(a),P-FLIGHT::QAR1(A)
        • K(b);N_SPINB(a),S_FLIGHT::QAB1(A)
      • Refutation
        • K(b);N_SPINB(a),S_FLIGHT
    • Try
      • S(B);
      • Threat
        • QAR1(A),XB(a)
      • Refutation
        • K(b);N_SPINB(a),P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(b);N_SPINB(a),P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);N_SPINB(a),P-FLIGHT
    • Try
      • B(C);CHECK
      • Vars
        • K(b);N_SPINB(a),P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);N_SPINB(a),P-FLIGHT
    • Try
      • B(C);
      • Vars
        • K(b);N_SPINB(a),P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);N_SPINB(a),P-FLIGHT
    • Try
      • B(C);CHECK
      • Vars
        • K(b);N_SPINB(a),P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);N_SPINB(a),P-FLIGHT
    • Try
      • B(C);
      • Vars
        • K(b);N_SPINB(a),P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);N_SPINB(a),P-FLIGHT
    • Try
      • B(C);
      • Vars
        • K(b);N_SPINB(a),P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);N_SPINB(a),P-FLIGHT
    • Try
      • B(C);
      • Vars
        • K(b);N_SPINB(a),P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);N_SPINB(a),P-FLIGHT
    • Try
      • Q(A);CHECK,N_PINB(a)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);CHECK,N_PINB(a)
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • K(D);P-FLIGHT
    • Vars
      • K(b);N_SPINB(a),P-FLIGHT::QAR1(A)
      • K(b);N_SPINB(a),S_FLIGHT::QAB1(A)
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