MESON Chess Problem Database

Problem Display
PID: 244432 (8/B3p3/p4b1r/kn4Q1/bN5p/1R6/1Nr2p2/5B1K w - - 0 1)

Eerkes, Allard Pieter

L'Italia Scacchistica, 1935

8/B3p3/p4b1r/kn4Q1/bN5p/1R6/1Nr2p2/5B1K

#2

7 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb2
      • 2.Sc6#
    • 1...Rd2
      • 2.Sc4#
      • 2.Sc6#
    • 1...Re2
      • 2.Sc4#
      • 2.Sc6#
    • 1...Rc4
      • 2.Sxc4#
    • 1...Rc6
      • 2.Sxc6#
    • 1...Bc3
      • 2.Sc4#
  • Keys
    • 1.Qd2!
      • threat
        • 2.Sc6#
      • 1...Rc6
        • 2.Sxc6#
      • 1...Bc3
        • 2.Sc4#
      • 1...Sc3
        • 2.Qd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(a);N_GUARD,XS(C)::S(E)
    • R(a);N_GUARD::S(C),XR(a)
    • R(a);N_GUARD::S(E),XR(a)
    • B(h);S_CUTR(a)::S(C)
  • Actual
    • Q(F);N_PINS(f)
    • Threat
      • QAB(F)+S(E),DCHECK
    • Vars
      • R(a);::QAB(F)+S(E),DCHECK,XR(a)
      • B(h);S_CUTR(a)::S(C)
      • S(f);N_GUARD,S_CUTR(a)::QAB(F)
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