MESON Chess Problem Database

Problem Display
PID: 137948 (8/6K1/4P3/2Q1Npk1/8/8/5P2/3B4 w - - 0 1)

Galitzky, Aleksandr Vasilevich

Shakhmatny Zhurnal, 1892

8/6K1/4P3/2Q1Npk1/8/8/5P2/3B4

#2

6 + 2

14666 Aleksandr Galitzky - Shakhmaty Geine (Vol 1) 2010
5454 Near Snap 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qe3#
    • 1...f4
      • 2.Sg6#
  • Tries
    • 1.Sf3+?
      • 1...Kf4
        • 2.Qb4#
        • 2.Qd4#
        • 2.Qc4#
      • 1...Kh5
        • 2.Qxf5#
      • 1...Kg4!
    • 1.Sc4?
      • 1...Kf4
        • 2.Qe3#
      • 1...Kh4!
    • 1.Sc6?
      • 1...Kf4
        • 2.Qe3#
      • 1...Kh4!
    • 1.Sd7?
      • 1...Kf4
        • 2.Qe3#
      • 1...Kh4!
    • 1.Sf7+?
      • 1...Kf4
        • 2.Qe3#
        • 2.Qb4#
        • 2.Qd4#
        • 2.Qc4#
        • 2.Qe5#
      • 1...Kh4!
    • 1.Be2?
      • 1...Kf4
        • 2.Qe3#
      • 1...f4
        • 2.Sg6#
      • 1...Kh4!
    • 1.Bf3?
      • 1...Kf4
        • 2.Qe3#
      • 1...f4
        • 2.Sg6#
      • 1...Kh4!
    • 1.Qa3?
      • threat
        • 2.Qg3#
      • 1...Kf4
        • 2.Qe3#
      • 1...Kh4
        • 2.Qg3#
      • 1...f4!
    • 1.Qe3+?
      • 1...Kh4
        • 2.Sg6#
        • 2.Qh6#
        • 2.Qg3#
      • 1...f4!
    • 1.Qc1+?
      • 1...Kh4
        • 2.Qh6#
      • 1...f4!
    • 1.Qc3?
      • threat
        • 2.Qg3#
      • 1...Kf4
        • 2.Qe3#
      • 1...Kh4
        • 2.Qg3#
      • 1...f4!
    • 1.e7?
      • 1...Kf4
        • 2.Qe3#
      • 1...f4
        • 2.Sg6#
      • 1...Kh4!
  • Keys
    • 1.Bg4!
      • 1...Kf4
        • 2.Qe3#
      • 1...Kh4
        • 2.Qe7#
      • 1...fxg4
        • 2.Sg6#
      • 1...f4
        • 2.Qe7#

Anticipated by 48606(0000)

This anticipates 119994(1929)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB1(C)
    • P(a);::QAR(C)+S(D)
  • Tries
    • Try
      • S(D);CHECK,P_PINP(a)
      • Vars
        • K(b);P-FLIGHT::QAR2(C),XP(a)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • S(D);P_PINP(a)
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::QAB1(C)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • S(D);P_PINP(a)
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::QAB1(C)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • S(D);P_PINP(a)
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::QAB1(C)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • S(D);CHECK,P_PINP(a)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(b);S_FLIGHT::QAB1(C)
        • P(a);::QAR(C)+S(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(b);S_FLIGHT::QAB1(C)
        • P(a);::QAR(C)+S(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);
      • Threat
        • QAR2(C)
      • Vars
        • K(b);S_FLIGHT::QAB1(C)
      • Refutation
        • P(a);
    • Try
      • Q(C);CHECK
      • Refutation
        • P(a);P_SPINP(a)
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT::QAR2(C)
      • Refutation
        • P(a);P_SPINP(a)
    • Try
      • Q(C);
      • Threat
        • QAR2(C)
      • Vars
        • K(b);S_FLIGHT::QAB1(C)
      • Refutation
        • P(a);
    • Try
      • P(E);
      • Vars
        • K(b);S_FLIGHT::QAB1(C)
        • P(a);::QAR(C)+S(D)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(A);
    • Vars
      • K(b);S_FLIGHT::QAB1(C)
      • K(b);S_FLIGHT::QAB(C)
      • P(a);SBLOCK,XB(A)::QAR(C)+S(D)
      • P(a);SBLOCK::QAB(C)
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