MESON Chess Problem Database

Problem Display
PID: 183453 (6Q1/8/4Bp2/2p1pPb1/1p2k3/r6R/P1P1NPn1/6K1 w - - 0 1)

Weenink, Henri Gerard Maria

Sydsvenska Dagbladet Snallposten, 1923

(First published on Sun Jul 29 1923)

6Q1/8/4Bp2/2p1pPb1/1p2k3/r6R/P1P1NPn1/6K1

#2

9 + 8

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

SOLUTION

  • SOUND
  • Sets
    • 1...Rb3
      • 2.Qa8#
    • 1...Rc3
      • 2.Qa8#
    • 1...Rd3
      • 2.cxd3#
    • 1...Re3
      • 2.Qa8#
    • 1...Rf3
      • 2.Qa8#
    • 1...Rg3
      • 2.Qa8#
    • 1...Rxh3
      • 2.Qa8#
    • 1...Ra8
      • 2.Qxa8#
    • 1...Be3
      • 2.Qxg2#
    • 1...Se3
      • 2.f3#
  • Tries
    • 1.Rxa3?
      • threat
        • 2.Qa8#
        • 2.f3#
      • 1...bxa3
        • 2.Qa8#
      • 1...Be3
        • 2.Qxg2#
        • 2.Qa8#
      • 1...b3
        • 2.Qa8#
      • 1...Se1
        • 2.Qa8#
      • 1...Sf4
        • 2.Re3#
        • 2.f3#
      • 1...Sh4
        • 2.Qa8#
      • 1...Se3!
    • 1.Re3+?
      • 1...Rxe3
        • 2.Qa8#
      • 1...Bxe3
        • 2.Qxg2#
      • 1...Sxe3!
    • 1.Qd8?
      • threat
        • 2.Qd5#
      • 1...Rd3
        • 2.Qxd3#
        • 2.cxd3#
      • 1...Se3
        • 2.f3#
      • 1...Sf4!
  • Keys
    • 1.Bd7!
      • threat
        • 2.Qc4#
      • 1...Rxh3
        • 2.Qa8#
      • 1...Rg3
        • 2.Qa8#
      • 1...Rc3
        • 2.Qa8#
      • 1...Rd3
        • 2.cxd3#
      • 1...Be3
        • 2.Qxg2#
      • 1...Se3
        • 2.f3#
      • 1...c4
        • 2.Qxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • R(b);N_GUARD::QAB(I)
    • R(b);OGATE::P(C),XR(b)
    • R(b);N_GUARD,XR(F)::QAB(I)
    • R(b);N_GUARD::QAB(I),XR(b)
    • B(g);OGATE,P_PINP(E)::QAB(I),XS(a)
    • S(a);SBLOCK,S_CUTR(b)::P(E)
  • Tries
    • Try
      • R(F);XR(b)
      • Threat
        • DUALS(2)
      • Vars
        • P(c);XR(F)::QAB(I)
        • P(c);::QAB(I)
        • S(a);::QAB(I)
      • Refutation
        • S(a);
    • Try
      • R(F);CHECK
      • Vars
        • R(b);XR(F)::QAB(I)
        • B(g);OGATE,P_PINP(E),XR(F)::QAB(I),XS(a)
      • Refutation
        • S(a);XR(F)
    • Try
      • Q(I);
      • Threat
        • QAB1(I)
      • Vars
        • S(a);SBLOCK,S_CUTR(b)::P(E)
      • Refutation
        • S(a);
  • Actual
    • B(H);
    • Threat
      • QAR2(I)
    • Vars
      • R(b);N_GUARD,XR(F)::QAB(I)
      • R(b);N_GUARD::QAB(I)
      • R(b);OGATE::P(C),XR(b)
      • B(g);OGATE,P_PINP(E)::QAB(I),XS(a)
      • S(a);SBLOCK,S_CUTR(b)::P(E)
      • P(e);::QAR2(I),XP(e)
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