MESON Chess Problem Database

Problem Display
PID: 234838 (N1K1N3/bpP2p2/2kp4/R5n1/3B2r1/3R1n1Q/8/3B4 w - - 0 1)

Groeneveld, Cornelis

Il Due Mosse, 1954

N1K1N3/bpP2p2/2kp4/R5n1/3B2r1/3R1n1Q/8/3B4

#2

9 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Qd7#
    • 1...Rg2
      • 2.Qd7#
    • 1...Rg3
      • 2.Qd7#
    • 1...Rxd4
      • 2.Qd7#
    • 1...Re4
      • 2.Qd7#
    • 1...Rf4
      • 2.Qd7#
    • 1...Rh4
      • 2.Qd7#
    • 1...Bb6
      • 2.Ba4#
    • 1...Bb8
      • 2.Rc3#
      • 2.cxb8S#
    • 1...b6
      • 2.Rc3#
  • Tries
    • 1.Bxa7?
      • threat
        • 2.Rxd6#
      • 1...Rd4
        • 2.Qd7#
      • 1...Sd4
        • 2.Rc3#
      • 1...d5
        • 2.Rc5#
      • 1...Se4!
  • Keys
    • 1.Bb6!
      • threat
        • 2.Rxd6#
      • 1...Rd4
        • 2.Qd7#
      • 1...Sd4
        • 2.Rc3#
      • 1...Se4
        • 2.Ba4#
      • 1...d5
        • 2.Rc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 8
  • Sets
    • R(b);OGATE::QAB1(C)
    • R(b);OGATE,XB(D)::QAB1(C)
    • B(f);S_CUTP(g)::B(A)
    • P(g);S_CUTB(f)::R(B)
  • Tries
    • Try
      • B(D);XB(f)
      • Threat
        • R1(B),XP(e)
      • Vars
        • R(b);OGATE::QAB1(C)
        • S(a);S_CUTR(b)::R(B)
        • P(e);N_GUARD::R1(E)
      • Refutation
        • S(c);
  • Actual
    • B(D);
    • Threat
      • R1(B),XP(e)
    • Vars
      • R(b);OGATE::QAB1(C)
      • S(a);S_CUTR(b)::R(B)
      • S(c);S_CUTR(b)::B(A)
      • P(e);N_GUARD::R1(E)
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