MESON Chess Problem Database

Problem Display
PID: 11135 (3r2B1/P3Bn2/2p5/1p6/8/1N4bR/k1PR1Q2/2K5 w - - 0 1)

Mentasti, Gino

Tijdschrift vd KNSB, 1936

3r2B1/P3Bn2/2p5/1p6/8/1N4bR/k1PR1Q2/2K5

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd2
      • 2.a8Q#
      • 2.a8R#
    • 1...Rd3
      • 2.a8Q#
      • 2.a8R#
    • 1...Rd5
      • 2.a8Q#
      • 2.a8R#
    • 1...Rd6
      • 2.a8Q#
      • 2.a8R#
  • Tries
    • 1.Qd4?
      • threat
        • 2.Qa1#
        • 2.Qb2#
      • 1...Be5
        • 2.c4#
      • 1...Rxd4!
  • Keys
    • 1.Qc5!
      • threat
        • 2.Qa3#
      • 1...b4
        • 2.Qa5#
      • 1...Rd6
        • 2.a8Q#
        • 2.a8R#
      • 1...Bd6
        • 2.c4#
      • 1...Sd6
        • 2.c3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(f);N_GUARD,XR(C)::P=Q
    • R(f);N_GUARD::P=Q
  • Tries
    • Try
      • Q(D);
      • Threat
        • DUALS(2)
      • Vars
        • B(b);::R(C)+P(B)
      • Refutation
        • R(f);XQ(D)
  • Actual
    • Q(D);
    • Threat
      • QAR1(D)
    • Vars
      • P(c);OGATE::QAR(D)
      • R(f);N_GUARD::P=Q
      • B(b);S_CUTR(f)::R(C)+P(B)
      • S(e);S_CUTR(f)::R(C)+P(B)
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