MESON Chess Problem Database

Problem Display
PID: 184122 (8/3pKp2/1N2b3/2p1k1r1/3rP1p1/4PP2/7N/Q7 w - - 0 1)

Weenink, Henri Gerard Maria

Tijdschrift vd NSB, 1929

8/3pKp2/1N2b3/2p1k1r1/3rP1p1/4PP2/7N/Q7

#2

7 + 8

16055 HGM Weenink (Euwe/Niemeijer/Rueb/Trotsenburg) 1932

SOLUTION

  • SOUND
  • Sets
    • 1...Rf5
      • 2.Sxg4#
    • 1...Ba2
      • 2.Sxd7#
    • 1...Bb3
      • 2.Sxd7#
    • 1...Bc4
      • 2.Sxc4#
      • 2.Sxd7#
    • 1...Bd5
      • 2.Sxd7#
    • 1...Bf5
      • 2.Sc4#
    • 1...c4
      • 2.Qxd4#
  • Tries
    • 1.Sxg4+?
      • 1...Bxg4
        • 2.Sc4#
      • 1...Rxg4!
    • 1.Qb1?
      • threat
        • 2.f4#
      • 1...Rxe4
        • 2.Qxe4#
      • 1...gxf3
        • 2.Sxf3#
      • 1...Rf5
        • 2.Sxg4#
      • 1...Rd3!
  • Keys
    • 1.Qa8!
      • threat
        • 2.f4#
      • 1...Rxe4
        • 2.Qxe4#
      • 1...gxf3
        • 2.Sxf3#
      • 1...Rd5
        • 2.Sc4#
      • 1...Rf5
        • 2.Sxg4#
      • 1...Bd5
        • 2.Sxd7#
      • 1...d5
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • R(e);N_GUARD,S_CUTB(f)::S(B),XP(b)
    • B(f);N_GUARD::S(F),XP(g)
    • B(f);N_GUARD::S(F)
    • P(c);N_GUARD::QAB1(A),XR(a)
  • Tries
    • Try
      • S(B);CHECK,XP(b)
      • Vars
        • B(f);XS(B)::S(F)
      • Refutation
        • R(e);XS(B)
    • Try
      • Q(A);N_PINR(a)
      • Threat
        • P(D)
      • Vars
        • R(a);OGATE,XP(E)::QAR1(A),XR(a)
        • P(b);XP(D)::S(B),XP(b)
        • R(e);N_GUARD,S_CUTB(f)::S(B),XP(b)
      • Refutation
        • R(a);
  • Actual
    • Q(A);N_PINR(a)
    • Threat
      • P(D)
    • Vars
      • R(a);OGATE,XP(E)::QAR1(A),XR(a)
      • P(b);XP(D)::S(B),XP(b)
      • R(a);N_GUARD,S_CUTB(f)::S(F)
      • R(e);N_GUARD,S_CUTB(f)::S(B),XP(b)
      • B(f);N_GUARD,S_CUTR(a)::S(F),XP(g)
      • P(g);N_GUARD,S_CUTR(a)::QAB(A)
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