MESON Chess Problem Database

Problem Display
PID: 244466 (4K3/1B1P2p1/1n1p2Nb/2p2n1R/3k4/1P4Rq/1P2Q3/4rrN1 w - - 0 1)

Eerkes, Allard Pieter

L'Italia Scacchistica, 1948

4K3/1B1P2p1/1n1p2Nb/2p2n1R/3k4/1P4Rq/1P2Q3/4rrN1

#2

10 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qg2
      • 2.Rd3#
    • 1...Qg4
      • 2.Rd3#
    • 1...Qh1
      • 2.Rd3#
    • 1...Qh2
      • 2.Rd3#
    • 1...Qh4
      • 2.Rd3#
    • 1...Qxh5
      • 2.Rd3#
    • 1...Ra1
      • 2.Qd3#
      • 2.Qe4#
    • 1...Rb1
      • 2.Qd3#
      • 2.Qe4#
    • 1...Rc1
      • 2.Qd3#
      • 2.Qe4#
    • 1...Rd1
      • 2.Qe4#
    • 1...Rxe2+
      • 2.Sxe2#
    • 1...Rf3
      • 2.Sxf3#
    • 1...Se3
      • 2.Qd2#
    • 1...Se7
      • 2.Qd3#
  • Keys
    • 1.d8S!
      • threat
        • 2.Se6#
      • 1...Rxe2+
        • 2.Sxe2#
      • 1...Sxg3
        • 2.Sc6#
      • 1...Se3
        • 2.Qd2#
      • 1...Sh4
        • 2.Sc6#
      • 1...Se7
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 8
  • Sets
    • Q(c);N_GUARD::R1(E)
    • Q(c);N_GUARD,P_PINS(G),XR(F)::R1(E)
    • R(a);N_GUARD,N_PINQ(C)::QAR1(C)
    • R(a);CHECK,XQ(C)::S(A),XR(a)
    • R(b);N_GUARD::S(A),XR(b)
    • S(f);N_PINQ(C)::QAR2(C)
    • S(f);N_PINQ(C)::QAR1(C)
  • Actual
    • P(I);
    • Threat
      • S(I)
    • Vars
      • R(a);CHECK,XQ(C)::S(A),XR(a)
      • S(f);XR(E)::S(I)
      • S(f);N_PINQ(C)::QAR2(C)
      • S(f);::S(I)
      • S(f);N_PINQ(C)::QAR1(C)
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