MESON Chess Problem Database

Problem Display
PID: 221352 (2K1R3/B3N3/nNp1pp2/2r1P2p/3k2bR/3P4/n1PQ1b2/8 w - - 0 1)

Eerkes, Allard Pieter

Suomen Shakki, 1935

2K1R3/B3N3/nNp1pp2/2r1P2p/3k2bR/3P4/n1PQ1b2/8

#2

10 + 10

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Rxg4+?
      • 1...Kxe5
        • 2.Qf4#
      • 1...hxg4!
  • Keys
    • 1.Sbd5!
      • threat
        • 2.Qf4#
      • 1...cxd5+
        • 2.Sc6#
      • 1...exd5+
        • 2.Sf5#
      • 1...Kxe5
        • 2.Qf4#
      • 1...fxe5
        • 2.Qxf2#
      • 1...Be3
        • 2.Qxe3#
      • 1...Bg3
        • 2.Qe3#
      • 1...Sc3
        • 2.Qxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);CHECK,XB(d)
      • Vars
        • K(c);S_FLIGHT,XP(E)::QAB1(B)
      • Refutation
        • P(f);XR(D)
  • Actual
    • S(F);P_PINR(e)
    • Threat
      • QAR2(B)
    • Vars
      • P(h);CHECK,SBLOCK,XS(F)::S(H)
      • P(i);CHECK,N_GUARD,SBLOCK,XS(F)::S(H)
      • K(c);N_SPINB(d),N_SPINR(e),S_FLIGHT,XP(E)::QAB1(B)
      • P(j);SBLOCK,XP(E)::QAB(B),XB(b)
      • B(b);N_GUARD::QAB1(B),XB(b)
      • B(b);N_GUARD::QAB1(B)
      • S(a);N_GUARD::QAB1(B),XS(a)
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