MESON Chess Problem Database

Problem Display
PID: 25 (6K1/p5Np/5p2/1pBRPP2/rb2Nk1q/4R3/4B1n1/2Q3r1 w - - 0 1)

Weenink, Henri Gerard Maria

1st Prize, Bristol Times and Mirror, 1930

6K1/p5Np/5p2/1pBRPP2/rb2Nk1q/4R3/4B1n1/2Q3r1

#2

10 + 10

35 L'Italia Scacchistica 1930
16055 HGM Weenink (Euwe/Niemeijer/Rueb/Trotsenburg) 1932
3098 FIDE Album (1914-1944) (I) 1971

SOLUTION

  • SOUND
  • Sets
    • 1...Sxe3
      • 2.Qxe3#
  • Tries
    • 1.Sg5?
      • threat
        • 2.S5e6#
      • 1...Kxg5
        • 2.Rg3#
      • 1...Qxg5
        • 2.Rd4#
      • 1...Sxe3
        • 2.Qxe3#
      • 1...fxg5
        • 2.Rd4#
      • 1...Ra6!
    • 1.Rc3+?
      • 1...Kxe4
        • 2.Bf3#
      • 1...Se3
        • 2.Qxe3#
      • 1...Rxc1!
    • 1.Rf3+?
      • 1...Kg4
        • 2.Ra3#
        • 2.Rb3#
        • 2.Rc3#
        • 2.Rfd3#
        • 2.Rg3#
      • 1...Kxe4!
    • 1.Qf1+?
      • 1...Qf2
        • 2.Qxf2#
      • 1...Rxf1!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Se6#
      • 1...Kg5
        • 2.Rg3#
      • 1...Sxe3
        • 2.Qxe3#
      • 1...Qg3
        • 2.Re4#
      • 1...Qg5
        • 2.Rd4#
      • 1...Qg4
        • 2.Rf3#
      • 1...Se1
        • 2.Rc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(b);OGATE,P_PINS(I),P_SPINS(b),XR(C)::QAB1(A),XS(b)
  • Tries
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • K(e);S_FLIGHT,XS(D)::QAB(A)+R(C),DCHECK
        • Q(f);P_PINS(I),SBLOCK,XS(D)::R(F)
        • S(b);OGATE,P_SPINS(b),XR(C)::QAB1(A),XS(b)
        • P(h);SBLOCK,XS(D)::R(F)
      • Refutation
        • R(c);
    • Try
      • R(C);CHECK
      • Vars
        • K(e);P-FLIGHT,XS(D)::B(B)
        • S(b);N_GUARD,P_PINS(I),P_SPINS(b)::QAB1(A),XS(b)
      • Refutation
        • R(a);XQ(A)
    • Try
      • R(C);CHECK
      • Refutation
        • K(e);P-FLIGHT,XS(D)
    • Try
      • Q(A);CHECK
      • Vars
        • Q(f);N_GUARD,P_SPINQ(f)::QAR2(A),XQ(f)
      • Refutation
        • R(a);XQ(A)
  • Actual
    • S(D);
    • Threat
      • S(I)
    • Vars
      • K(e);S_FLIGHT::QAB(A)+R(C),DCHECK
      • S(b);OGATE,P_PINS(I),P_SPINS(b),XR(C)::QAB1(A),XS(b)
      • Q(f);P_PINS(I),SBLOCK::QAB(A)+R(C),DCHECK
      • Q(f);P_PINS(I),SBLOCK::R(F)
      • S(b);N_GUARD,P_PINS(I),S_CUTR(a)::QAB(A)+R(C)
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