MESON Chess Problem Database

Problem Display
PID: 92003 (8/8/8/3K4/2p4B/8/3k4/1Q1N2N1 w - - 0 1)

Pallasz, Edward

Deutsche Schachzeitung, 1974

8/8/8/3K4/2p4B/8/3k4/1Q1N2N1

#2

5 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sb2?
      • 1...Ke3
        • 2.Qc1#
      • 1...c3
        • 2.Sc4#
        • 2.Bg5#
      • 1...Kc3!
    • 1.Sc3?
      • 1...Kxc3
        • 2.Be1#
      • 1...Ke3!
    • 1.Se3?
      • 1...Kc3
        • 2.Be1#
      • 1...c3
        • 2.Sf1#
        • 2.Sc4#
      • 1...Kxe3!
    • 1.Bf6?
      • threat
        • 2.Bc3#
      • 1...c3
        • 2.Bxc3#
      • 1...Ke1!
    • 1.Qc1+?
      • 1...Kd3
        • 2.Sb2#
        • 2.Sf2#
        • 2.Qc3#
      • 1...Kxc1!
    • 1.Qb2+?
      • 1...Kd3
        • 2.Qc3#
        • 2.Qe2#
      • 1...Kxd1!
  • Keys
    • 1.Sf2!
      • 1...Kc3
        • 2.Se4#
      • 1...Ke3
        • 2.Qc1#
      • 1...c3
        • 2.Bg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT,XS(B)::B(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::B(D)
      • Refutation
        • K(a);S_FLIGHT,XS(B)
    • Try
      • B(D);
      • Threat
        • B(D)
      • Vars
        • P(b);::B(D),XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);P-FLIGHT,XS(B)
  • Actual
    • S(B);
    • Vars
      • K(a);S_FLIGHT::S(B)
      • K(a);S_FLIGHT::QAB(A)
      • P(b);SBLOCK::B(D)
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