MESON Chess Problem Database

Problem Display
PID: 19336 (3b2b1/R1p2kNp/7P/K1BN1r1P/P1B2R1n/Q1P5/8/8 w - - 0 1)

Goldschmeding, Cornelis

3rd Place, Match: North Holland - South Holland, 1943

3b2b1/R1p2kNp/7P/K1BN1r1P/P1B2R1n/Q1P5/8/8

#2

12 + 7

3098 FIDE Album (1914-1944) (I) 1971

SOLUTION

  • SOUND
  • Sets
    • 1...Rf6
      • 2.Se3#
      • 2.Sb4#
      • 2.Sb6#
      • 2.Sxf6#
      • 2.Sxc7#
  • Tries
    • 1.Sf6+?
      • 1...Rd5
        • 2.Bxd5#
      • 1...Kxf6!
    • 1.Se7+?
      • 1...Kf8
        • 2.Sg6#
      • 1...Kf6!
    • 1.Rxf5+?
      • 1...Bf6
        • 2.Se3#
        • 2.Sb4#
        • 2.Sf4#
        • 2.Sb6#
        • 2.Sxf6#
        • 2.Sxc7#
        • 2.Rxf6#
        • 2.Rxc7#
      • 1...Sxf5!
  • Keys
    • 1.Be7!
      • 1...c5+
        • 2.Sb6#
      • 1...c6+
        • 2.Bxd8#
      • 1...Rxf4
        • 2.Sxf4#
      • 1...Bxe7
        • 2.Qxe7#
      • 1...Rf6
        • 2.Se3#
        • 2.Sb6#
        • 2.Sxf6#
        • 2.Sxc7#
        • 2.Rxf6#
      • 1...Sg2
        • 2.Rxf5#
      • 1...Sf3
        • 2.Rxf5#
      • 1...Sg6
        • 2.Rxf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(H);CHECK,N_PINR(b),P_SPINB(G)
      • Vars
        • R(b);N_GUARD,P_SPINR(b)::B(D),XR(b)
      • Refutation
        • K(d);N_SPINP(c),P-FLIGHT,P_SPINR(b),XS(H)
    • Try
      • S(H);CHECK,N_PINP(c),P_SPINB(G)
      • Vars
        • K(d);P-FLIGHT::B(G)+S(H),DCHECK
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • R(E);CHECK,XR(b)
      • Refutation
        • S(a);XR(E)
  • Actual
    • B(G);N_PINP(c),P_SPINS(H)
    • Vars
      • P(c);CHECK,N_PINS(H)::B(D)+S(H)
      • P(c);CHECK,OGATEB::R(K)+B(G),XB(f)
      • R(b);N_PINS(H),N_SPINR(b),XR(E)::B(D)+S(H),XR(b)
      • B(f);OGATE,XB(G)::QAR1(A),XB(f)
      • S(a);N_GUARD::R(E),XR(b)
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