MESON Chess Problem Database

Problem Display
PID: 244467 (2n2rB1/b6b/1r3R1P/3pkN2/q3n1Q1/BpP2P2/5Np1/6K1 w - - 0 1)

Eerkes, Allard Pieter

L'Italia Scacchistica, 1948

2n2rB1/b6b/1r3R1P/3pkN2/q3n1Q1/BpP2P2/5Np1/6K1

#2

10 + 11

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rb4
      • 2.Re6#
    • 1...Rb5
      • 2.Re6#
    • 1...Re6
      • 2.Rxe6#
    • 1...Rbxf6
      • 2.f4#
    • 1...Rb7
      • 2.Re6#
    • 1...Rb8
      • 2.Re6#
    • 1...Rfxf6
      • 2.Sd3#
      • 2.f4#
    • 1...Bxf5
      • 2.Qxf5#
    • 1...Sed6
      • 2.Re6#
    • 1...Sxf6
      • 2.Sd3#
    • 1...Scd6
      • 2.Re6#
  • Keys
    • 1.Sd4!
      • threat
        • 2.Qf4#
      • 1...Kxf6
        • 2.Qg7#
      • 1...Rbxf6
        • 2.Sd3#
      • 1...Rfxf6
        • 2.Sd3#
      • 1...Sxf6
        • 2.Qg3#
        • 2.f4#
      • 1...Bf5
        • 2.Qxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 8
  • Sets
    • R(g);N_GUARD,P_PINS(B)::R1(H)
    • R(g);N_GUARD,P_PINS(B)::R1(H),XR(g)
    • R(g);P_PINS(B),SBLOCK,XR(H)::P(E)
    • B(i);OGATE,XS(G)::QAR1(F),XB(i)
    • S(d);S_CUTR(g)::R1(H)
    • S(d);SBLOCK,XR(H)::S(B)
    • S(j);S_CUTR(g)::R1(H)
  • Actual
    • S(G);
    • Threat
      • QAB1(F)
    • Vars
      • K(f);OGATEB,S_FLIGHT,XR(H)::QAB1(F)
      • R(g);SBLOCK,XR(H)::S(B)
      • R(k);SBLOCK,XR(H)::S(B)
      • B(i);N_GUARD::QAR1(F),XB(i)
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