MESON Chess Problem Database

Problem Display
PID: 121557 (2bN1K2/1p6/1P1kp3/2p5/2p1Q3/2P5/8/8 w - - 0 1)

Erlin, Konrad (AKA Erlinger, Konrad)

Bohemia, 1900

2bN1K2/1p6/1P1kp3/2p5/2p1Q3/2P5/8/8

#2

5 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bd7
      • 2.Sxb7#
      • 2.Sf7#
  • Tries
    • 1.Qh1?
      • 1...Kd7
        • 2.Qd1#
      • 1...e5
        • 2.Qd1#
      • 1...Bd7
        • 2.Sf7#
      • 1...Ke5!
    • 1.Qg2?
      • 1...Kd7
        • 2.Qd2#
      • 1...e5
        • 2.Qd2#
      • 1...Bd7
        • 2.Sf7#
      • 1...Ke5!
    • 1.Qf4+?
      • 1...Kd7
        • 2.Qd2#
        • 2.Qc7#
      • 1...e5
        • 2.Qd2#
      • 1...Kd5!
    • 1.Qe5+?
      • 1...Kd7
        • 2.Qc7#
      • 1...Kxe5!
  • Keys
    • 1.Qf3!
      • 1...Ke5
        • 2.Sf7#
      • 1...Kd7
        • 2.Qd1#
      • 1...e5
        • 2.Qd1#
      • 1...Bd7
        • 2.Sf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Vars
        • K(c);P-FLIGHT::QAR(B)
        • P(d);SBLOCK::QAR(B)
        • B(f);SBLOCK::S(D)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(c);P-FLIGHT::QAR(B)
        • P(d);SBLOCK::QAR(B)
        • B(f);SBLOCK::S(D)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • P(d);P_SPINP(d),SBLOCK::QAR(B)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);OGATE,P-FLIGHT::QAR1(B)
      • Refutation
        • K(c);S_FLIGHT,XQ(B)
  • Actual
    • Q(B);
    • Vars
      • K(c);S_FLIGHT::S(D)
      • K(c);P-FLIGHT::QAR(B)
      • P(d);SBLOCK::QAR(B)
      • B(f);SBLOCK::S(D)
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