MESON Chess Problem Database

Problem Display
PID: 202791 (4B1kr/3K3p/7P/bpB5/8/1R3P1p/Qpr5/4Rbn1 w - - 0 1)

Ellerman, Arnoldo

Western Daily Mercury, 1919

(First published on Fri Dec 5 1919)

4B1kr/3K3p/7P/bpB5/8/1R3P1p/Qpr5/4Rbn1

#2

8 + 10

15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rd2+
      • 2.Rd3#
    • 1...Re2
      • 2.Re3#
    • 1...Rf2
      • 2.Rd3#
    • 1...Rg2
      • 2.Rd3#
    • 1...Rh2
      • 2.Rd3#
    • 1...Be2
      • 2.Rxg1#
    • 1...Bg2
      • 2.Rc3#
    • 1...Se2
      • 2.Rc3#
  • Keys
    • 1.Bh5!
      • threat
        • 2.Re8#
      • 1...Rd2+
        • 2.Rd3#
      • 1...Bxe1
        • 2.Qa8#
      • 1...Re2
        • 2.Re3#
      • 1...Be2
        • 2.Rxg1#
      • 1...Se2
        • 2.Rc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • R(d);CHECK,N_GUARD::QAB(B)+R(C)
    • R(d);N_GUARD,S_CUTB(a)::QAB(B)+R(C)
    • R(d);N_GUARD::QAB(B)+R(C)
    • B(a);OGATE::R(A),XS(b)
    • B(a);N_GUARD::QAB(B)+R(C)
    • S(b);S_CUTB(a)::QAB(B)+R(C)
  • Actual
    • B(H);
    • Threat
      • R(A)
    • Vars
      • R(d);CHECK,N_GUARD::QAB(B)+R(C)
      • B(f);OGATE,XR(A)::QAR(B)
      • R(d);N_GUARD,S_CUTB(a)::QAB(B)+R(C)
      • B(a);OGATE::R(A),XS(b)
      • S(b);S_CUTB(a)::QAB(B)+R(C)
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