MESON Chess Problem Database

Problem Display
PID: 157044 (8/8/2p3P1/Q7/3kp3/8/B3K3/8 w - - 0 1)

Zimmer, Eligiusz

Best Problems, 2007

8/8/2p3P1/Q7/3kp3/8/B3K3/8

#2

4 + 3

5454 Near Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Bb3?
      • 1...c5
        • 2.Qa1#
      • 1...e3!
    • 1.Be6?
      • 1...c5
        • 2.Qa1#
      • 1...e3!
    • 1.Bf7?
      • 1...c5
        • 2.Qa1#
      • 1...e3!
    • 1.Bg8?
      • 1...c5
        • 2.Qa1#
      • 1...e3!
    • 1.Qa3?
      • 1...e3
        • 2.Qxe3#
      • 1...c5
        • 2.Qb2#
      • 1...Ke5!
    • 1.Qd5+?
      • 1...Kc3
        • 2.Qd2#
      • 1...cxd5!
  • Keys
    • 1.Qg5!
      • 1...Kc3
        • 2.Qd2#
      • 1...e3
        • 2.Qxe3#
      • 1...c5
        • 2.Qf6#

Anticipated by 24371(1932)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Vars
        • P(c);SBLOCK::QAB(C)
      • Refutation
        • P(b);
    • Try
      • B(A);
      • Vars
        • P(c);SBLOCK::QAB(C)
      • Refutation
        • P(b);
    • Try
      • B(A);
      • Vars
        • P(c);SBLOCK::QAB(C)
      • Refutation
        • P(b);
    • Try
      • B(A);
      • Vars
        • P(c);SBLOCK::QAB(C)
      • Refutation
        • P(b);
    • Try
      • Q(C);
      • Vars
        • P(b);::QAB1(C),XP(b)
        • P(c);SBLOCK::QAB(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAB1(C)
      • Refutation
        • P(c);XQ(C)
  • Actual
    • Q(C);
    • Vars
      • K(a);S_FLIGHT::QAB1(C)
      • P(b);::QAB1(C),XP(b)
      • P(c);SBLOCK::QAB(C)
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