MESON Chess Problem Database

Problem Display
PID: 37715 (1R4br/2Kp4/pN5p/pkp1n2Q/p3r3/3Rp2B/N7/7q w - - 0 1)

Peris Pardo, Julio

1st Prize, The Problemist, 1954

1R4br/2Kp4/pN5p/pkp1n2Q/p3r3/3Rp2B/N7/7q

#2

7 + 13

3105 FIDE Album (1945-1955) 1964

SOLUTION

  • SOUND
  • Sets
    • 1...Rb4
      • 2.Sc3#
    • 1...Rc4
      • 2.Sd5#
    • 1...Bc4
      • 2.Sc8#
    • 1...Sxd3
      • 2.Bxd7#
    • 1...Sf3
      • 2.Bxd7#
    • 1...Sc4
      • 2.Bxd7#
    • 1...Sg6
      • 2.Bxd7#
    • 1...Sf7
      • 2.Bxd7#
    • 1...c4
      • 2.Sxd7#
  • Tries
    • 1.Sxa4+?
      • 1...Kc4
        • 2.Sb2#
      • 1...Kxa4!
    • 1.Bxd7+?
      • 1...Sc6
        • 2.Bxc6#
      • 1...Sxd7!
  • Keys
    • 1.Qe2!
      • threat
        • 2.Rb3#
      • 1...Sxd3
        • 2.Bxd7#
      • 1...c4
        • 2.Sxd7#
      • 1...Rb4
        • 2.Sc3#
      • 1...Rc4
        • 2.Sd5#
      • 1...Bb3
        • 2.Rxb3#
      • 1...Bc4
        • 2.Sc8#
      • 1...Sc4
        • 2.Bxd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • R(d);SBLOCK::S(A)
    • R(d);SBLOCK::R(G)+S(E)
    • B(l);SBLOCK::R(G)+S(E)
    • S(h);N_GUARD,P_SPINP(g),XR(B)::B(C),XP(k)
    • S(h);N_GUARD,P_SPINP(g)::B(C),XP(k)
    • P(g);P_SPINS(h),SBLOCK::R(G)+S(E),XP(k)
  • Tries
    • Try
      • S(E);CHECK,XP(c)
      • Vars
        • K(f);S_FLIGHT::S(E)
      • Refutation
        • K(f);S_FLIGHT,XS(E)
    • Try
      • B(C);CHECK,XP(k)
      • Vars
        • S(h);N_GUARD,P_SPINP(g),P_SPINS(h)::B(C),XS(h)
      • Refutation
        • S(h);P_SPINP(g),XB(C)
  • Actual
    • Q(D);
    • Threat
      • QAB(D)+R(B),DCHECK
    • Vars
      • S(h);N_GUARD,P_SPINS(h),XR(B)::B(C),XP(k)
      • P(g);SBLOCK::R(G)+S(E),XP(k)
      • R(d);SBLOCK::S(A)
      • R(d);SBLOCK::R(G)+S(E)
      • B(l);::QAB(D)+R(B),DCHECK,XB(l)
      • B(l);SBLOCK::R(G)+S(E)
      • S(h);N_GUARD::B(C),XP(k)
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