MESON Chess Problem Database

Problem Display
PID: 70906 (8/K1p4n/2N3r1/2kp4/BpPpp2B/7b/1nrN3Q/1q6 w - - 0 1)

Peris Pardo, Julio

Arbejder-Skak, 1952

8/K1p4n/2N3r1/2kp4/BpPpp2B/7b/1nrN3Q/1q6

#2

7 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc4
      • 2.Sb3#
    • 1...Rg1
      • 2.Be7#
    • 1...Rg2
      • 2.Be7#
    • 1...Rg3
      • 2.Be7#
    • 1...Rg4
      • 2.Be7#
    • 1...Rg8
      • 2.Be7#
    • 1...Be6
      • 2.Be7#
    • 1...dxc4
      • 2.Qe5#
  • Tries
    • 1.Sxe4+?
      • 1...Kxc4
        • 2.Se5#
      • 1...dxe4!
  • Keys
    • 1.Qe5!
      • threat
        • 2.Qxd5#
      • 1...Rxc4
        • 2.Sb3#
      • 1...Sxc4
        • 2.Sxe4#
      • 1...Rg5
        • 2.Qe7#
      • 1...Rd6
        • 2.Qxd4#
      • 1...Be6
        • 2.Be7#
      • 1...Sf6
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 6
  • Sets
    • R(c);SBLOCK,XP(D)::S(A)
    • R(j);N_GUARD::B(E)
    • B(d);S_CUTR(j)::B(E)
    • P(i);OGATEB,XP(D)::QAR2(B)
  • Tries
    • Try
      • S(A);CHECK,XP(g)
      • Vars
        • K(h);P-FLIGHT,XP(D)::S(F)
      • Refutation
        • P(i);XS(A)
  • Actual
    • Q(B);P_PINP(i)
    • Threat
      • QAR1(B),XP(i)
    • Vars
      • R(c);SBLOCK,XP(D)::S(A)
      • S(b);SBLOCK,XP(D)::S(A),XP(g)
      • R(j);N_GUARD::QAB(B)
      • R(j);SBLOCK::QAB1(B),XP(f)
      • B(d);S_CUTR(j)::B(E)
      • S(l);S_CUTR(j)::QAB(B)
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