MESON Chess Problem Database

Problem Display
PID: 193336 (7K/2p5/1k6/R1p5/8/8/3Q4/7B w - - 0 1)

Guntersweiler, Ferdinand

Volksrecht, 1914

7K/2p5/1k6/R1p5/8/8/3Q4/7B

#2

4 + 3

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...c4
      • 2.Qb4#
  • Tries
    • 1.Kg7?
      • 1...c4
        • 2.Qb4#
      • 1...c6!
    • 1.Kh7?
      • 1...c4
        • 2.Qb4#
      • 1...c6!
    • 1.Kg8?
      • 1...c4
        • 2.Qb4#
      • 1...c6!
    • 1.Bg2?
      • 1...c4
        • 2.Qb4#
      • 1...c6!
    • 1.Bf3?
      • 1...c4
        • 2.Qb4#
      • 1...c6!
    • 1.Be4?
      • 1...c4
        • 2.Qb4#
      • 1...c6!
    • 1.Bd5?
      • 1...c4
        • 2.Qb4#
      • 1...c6!
    • 1.Ra4?
      • threat
        • 2.Qa5#
        • 2.Qb2#
      • 1...Kb5
        • 2.Qa5#
      • 1...c4
        • 2.Qb4#
        • 2.Qa5#
      • 1...c6!
    • 1.Rb5+?
      • 1...Ka6
        • 2.Qa5#
      • 1...Ka7
        • 2.Qa5#
        • 2.Qa2#
      • 1...Kxb5!
    • 1.Qe1?
      • 1...c4
        • 2.Qb4#
      • 1...c6!
    • 1.Qc3?
      • threat
        • 2.Qxc5#
      • 1...c4
        • 2.Qb4#
      • 1...c6!
    • 1.Qd7?
      • threat
        • 2.Qb5#
      • 1...c6
        • 2.Qa7#
      • 1...Kxa5!
  • Keys
    • 1.Ba8!
      • 1...c6
        • 2.Qd8#
      • 1...c4
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(a);N_GUARD::QAR2(B)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Vars
        • P(a);N_GUARD::QAR2(B)
      • Refutation
        • P(c);
    • Try
      • K(D);P-FLIGHT
      • Vars
        • P(a);N_GUARD::QAR2(B)
      • Refutation
        • P(c);
    • Try
      • K(D);P-FLIGHT
      • Vars
        • P(a);N_GUARD::QAR2(B)
      • Refutation
        • P(c);
    • Try
      • B(A);
      • Vars
        • P(a);N_GUARD::QAR2(B)
      • Refutation
        • P(c);
    • Try
      • B(A);
      • Vars
        • P(a);N_GUARD::QAR2(B)
      • Refutation
        • P(c);
    • Try
      • B(A);
      • Vars
        • P(a);N_GUARD::QAR2(B)
      • Refutation
        • P(c);
    • Try
      • B(A);
      • Vars
        • P(a);N_GUARD::QAR2(B)
      • Refutation
        • P(c);
    • Try
      • R(C);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);P-FLIGHT::QAR1(B)
      • Refutation
        • P(c);
    • Try
      • R(C);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(B)
      • Refutation
        • K(b);P-FLIGHT,XR(C)
    • Try
      • Q(B);
      • Vars
        • P(a);N_GUARD::QAR2(B)
      • Refutation
        • P(c);
    • Try
      • Q(B);
      • Threat
        • QAB1(B),XP(a)
      • Vars
        • P(a);N_GUARD::QAR2(B)
      • Refutation
        • P(c);
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • P(c);OGATE::QAB1(B)
      • Refutation
        • K(b);S_FLIGHT,XR(C)
  • Actual
    • B(A);
    • Vars
      • P(c);OGATEB::QAB(B)
      • P(a);N_GUARD::QAR2(B)
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