MESON Chess Problem Database

Problem Display
PID: 268026 (rb5N/Nbpp4/7R/1p1k4/qB1P2R1/1p1Bp3/4P3/3Q3K w - - 0 1)

Puig y Puig, Esteban

El Diluvio, 1933

rb5N/Nbpp4/7R/1p1k4/qB1P2R1/1p1Bp3/4P3/3Q3K

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qa5
      • 2.Qxb3#
    • 1...Qa6
      • 2.Qxb3#
    • 1...Qxa7
      • 2.Qxb3#
  • Tries
    • 1.Bc4+?
      • 1...Kxc4+
        • 2.d5#
      • 1...bxc4!
    • 1.Bh7?
      • threat
        • 2.Bg8#
      • 1...Kc4+
        • 2.d5#
      • 1...Qa6
        • 2.Qxb3#
      • 1...Bxa7!
    • 1.Qf1?
      • threat
        • 2.Qg2#
        • 2.Qf3#
        • 2.Qf5#
        • 2.Qf7#
      • 1...Qa6
        • 2.Qg2#
        • 2.Qf3#
        • 2.Qf5#
      • 1...c5
        • 2.Qg2#
        • 2.Qf3#
        • 2.Qf7#
      • 1...c6
        • 2.Qg2#
        • 2.Qf3#
        • 2.Qf7#
      • 1...Qa1!
  • Keys
    • 1.Bg6!
      • threat
        • 2.Bf7#
      • 1...Kc4+
        • 2.d5#
      • 1...Ke6+
        • 2.Be4#
      • 1...Qa6
        • 2.Qxb3#

This is a version of 268025

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • Q(c);N_GUARD::QAB(A),XP(a)
    • Q(c);N_GUARD,XS(I)::QAB(A),XP(a)
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • K(e);CHECK,OGATE,S_FLIGHT,XB(D)::R(G)+P(F)
      • Refutation
        • P(d);XB(D)
    • Try
      • B(D);
      • Threat
        • B(D)
      • Vars
        • K(e);CHECK,OGATE,S_FLIGHT::R(G)+P(F)
        • Q(c);N_GUARD::QAB(A),XP(a)
      • Refutation
        • B(j);XS(I)
    • Try
      • Q(A);
      • Threat
        • DUALS(4)
      • Refutation
        • Q(c);P_PINQ(A)
  • Actual
    • B(D);
    • Threat
      • B(D)
    • Vars
      • K(e);CHECK,OGATE,S_FLIGHT::R(G)+P(F)
      • K(e);CHECK,N_GUARD,S_FLIGHT::R(H)+B(D)
      • Q(c);N_GUARD::QAB(A),XP(a)
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Developed and maintained by Brian Stephenson.
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