MESON Chess Problem Database

Problem Display
PID: 187679 (3R4/1p6/bP6/8/Qpk1p3/4P3/3P1PB1/1K6 w - - 0 1)

Neukomm, Gyula (Julius) R

Deutsches Wochenschach, 1909

3R4/1p6/bP6/8/Qpk1p3/4P3/3P1PB1/1K6

#2

8 + 5

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bb5
      • 2.Qc2#
  • Tries
    • 1.Ka1?
      • 1...Bb5
        • 2.Qc2#
      • 1...Kc5!
    • 1.Kc1?
      • 1...Bb5
        • 2.Qc2#
      • 1...Kc5!
    • 1.Ka2?
      • 1...Bb5
        • 2.Qc2#
      • 1...Kc5!
    • 1.Kb2?
      • 1...Bb5
        • 2.Qc2#
      • 1...Kc5!
    • 1.Bh1?
      • 1...Bb5
        • 2.Qc2#
      • 1...Kc5!
    • 1.Bh3?
      • 1...Bb5
        • 2.Qc2#
      • 1...Kc5!
    • 1.Bxe4?
      • threat
        • 2.Rc8#
      • 1...Bb5
        • 2.Qc2#
      • 1...Kc5!
    • 1.Rd6?
      • 1...Bb5
        • 2.Qc2#
      • 1...Kc5!
    • 1.Rd7?
      • 1...Bb5
        • 2.Qc2#
      • 1...Kc5!
    • 1.Qa5?
      • threat
        • 2.Qd5#
      • 1...Kb3
        • 2.Qa2#
      • 1...b3
        • 2.Bf1#
        • 2.Rd4#
      • 1...Bb5!
    • 1.d3+?
      • 1...Kc3
        • 2.Qc2#
      • 1...exd3
        • 2.Rc8#
      • 1...Kc5!
  • Keys
    • 1.d4!
      • 1...Kc3
        • 2.Qc2#
      • 1...Kd3
        • 2.Qc2#
      • 1...exd4 ep
        • 2.Rc8#
      • 1...Bb5
        • 2.Qc2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(d);SBLOCK::QAR2(F)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • B(d);SBLOCK::QAR2(F)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Vars
        • B(d);SBLOCK::QAR2(F)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • K(A);S_FLIGHT
      • Vars
        • B(d);SBLOCK::QAR2(F)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Vars
        • B(d);SBLOCK::QAR2(F)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • B(D);
      • Vars
        • B(d);SBLOCK::QAR2(F)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • B(D);
      • Vars
        • B(d);SBLOCK::QAR2(F)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • B(D);XP(c)
      • Threat
        • R(H)
      • Vars
        • B(d);SBLOCK::QAR2(F)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • R(H);
      • Vars
        • B(d);SBLOCK::QAR2(F)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • R(H);
      • Vars
        • B(d);SBLOCK::QAR2(F)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • Q(F);N_PINP(a)
      • Threat
        • QAB1(F)
      • Vars
        • K(b);S_FLIGHT::QAB1(F)
      • Refutation
        • B(d);
    • Try
      • P(B);CHECK
      • Vars
        • K(b);N_SPINP(a),P-FLIGHT::QAR1(F)
        • P(c);SBLOCK,XP(B)::R(H)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
  • Actual
    • P(B);
    • Vars
      • K(b);N_SPINP(a),P-FLIGHT::QAR1(F)
      • K(b);N_SPINP(a),S_FLIGHT::QAB1(F)
      • P(c);EP,XP(B)::R(H)
      • B(d);SBLOCK::QAR2(F)
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