MESON Chess Problem Database

Problem Display
PID: 84438 (8/8/8/4p3/1B2r3/K1P3P1/2Pk4/1BN2Q2 w - - 0 1)

Funk, Henry E

La Presse, 1932

8/8/8/4p3/1B2r3/K1P3P1/2Pk4/1BN2Q2

#2

8 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qe2#
    • 1...Re3
      • 2.Sb3#
  • Tries
    • 1.Kb2?
      • 1...Ke3
        • 2.Qe2#
      • 1...Re1
        • 2.Qd3#
      • 1...Re2
        • 2.Qxe2#
      • 1...Re3
        • 2.Sb3#
      • 1...Rc4
        • 2.Qe2#
      • 1...Rd4
        • 2.Qe2#
      • 1...Rf4
        • 2.Qe2#
      • 1...Rg4
        • 2.Qe2#
      • 1...Rh4
        • 2.Qe2#
      • 1...Rxb4+!
    • 1.Qd1+?
      • 1...Ke3
        • 2.Qe2#
      • 1...Kxd1!
  • Keys
    • 1.Sd3!
      • 1...Ke3
        • 2.Qf2#
      • 1...Rxb4
        • 2.Qe1#
      • 1...Re1
        • 2.Qxe1#
      • 1...Re2
        • 2.Qc1#
      • 1...Re3
        • 2.c4#
      • 1...Rc4
        • 2.Qe1#
      • 1...Rd4
        • 2.Qe1#
      • 1...Rf4
        • 2.Qe1#
      • 1...Rg4
        • 2.Qe1#
      • 1...Rh4
        • 2.Qe1#

This is a version of 65298

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR1(C)
    • R(b);P_PINP(F),SBLOCK::S(B)
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
        • R(b);SBLOCK::QAR1(C)
        • R(b);N_GUARD::QAR1(C),XR(b)
        • R(b);SBLOCK::S(B)
        • R(b);N_GUARD::QAR1(C)
      • Refutation
        • R(b);CHECK,XB(H)
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT,XQ(C)
  • Actual
    • S(B);
    • Vars
      • K(a);S_FLIGHT::QAB1(C)
      • R(b);N_GUARD,XB(H)::QAB1(C)
      • R(b);N_GUARD::QAB1(C),XR(b)
      • R(b);SBLOCK::QAB1(C)
      • R(b);SBLOCK::B(H)+P(F)
      • R(b);N_GUARD::QAB1(C)
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