MESON Chess Problem Database

Problem Display
PID: 251406 (5K2/1QB1N3/3bNp2/4kP2/R3P3/2r1n3/8/1n2R3 w - - 0 1)

Kapros, Jorge Marcelo

Problemas, 2021

5K2/1QB1N3/3bNp2/4kP2/R3P3/2r1n3/8/1n2R3

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Qd5#
    • 1...Sf1
      • 2.Qd5#
    • 1...Sc2
      • 2.Qd5#
    • 1...Sg2
      • 2.Qd5#
    • 1...Sc4
      • 2.Qd5#
      • 2.Qb5#
    • 1...Sg4
      • 2.Qd5#
    • 1...Sd5
      • 2.Qxd5#
    • 1...Sxf5
      • 2.Qd5#
  • Tries
    • 1.Ke8?
      • threat
        • 2.Sg6#
      • 1...Sxf5
        • 2.Qd5#
      • 1...Bxc7!
    • 1.Kg8?
      • threat
        • 2.Sg6#
      • 1...Sxf5
        • 2.Qd5#
      • 1...Bxc7!
    • 1.Ra5+?
      • 1...Sd5
        • 2.Rxd5#
        • 2.Qxd5#
      • 1...Rc5!
    • 1.Qb5+?
      • 1...Sd5
        • 2.Qxd5#
      • 1...Rc5!
  • Keys
    • 1.Qb2!
      • threat
        • 2.Qh2#
      • 1...Sxf5
        • 2.exf5#
      • 1...Sd2
        • 2.Qxc3#
      • 1...Sd1
        • 2.Ra5#
      • 1...Sf1
        • 2.Ra5#
      • 1...Sc2
        • 2.Ra5#
      • 1...Sg2
        • 2.Ra5#
      • 1...Sc4
        • 2.Qb5#
      • 1...Sg4
        • 2.Ra5#
      • 1...Sd5
        • 2.exd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 7
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(c);N_GUARD::QAR1(F)
    • S(c);N_GUARD::QAR1(F),XS(c)
    • S(c);N_GUARD,XP(D)::QAR1(F)
  • Tries
    • Try
      • K(I);N_SPINS(H),P-FLIGHT
      • Threat
        • S(H)
      • Vars
        • S(c);N_GUARD,XP(D)::QAR1(F)
      • Refutation
        • B(e);N_SPINB(e),XB(G)
    • Try
      • K(I);N_SPINS(H),P-FLIGHT
      • Threat
        • S(H)
      • Vars
        • S(c);N_GUARD,XP(D)::QAR1(F)
      • Refutation
        • B(e);N_SPINB(e),XB(G)
    • Try
      • R(B);CHECK
      • Refutation
        • R(b);P_SPINR(b)
    • Try
      • Q(F);CHECK
      • Vars
        • S(c);N_GUARD,P_SPINS(c)::QAR1(F),XS(c)
      • Refutation
        • R(b);P_SPINR(b)
  • Actual
    • Q(F);P_PINR(b)
    • Threat
      • QAB(F)
    • Vars
      • S(c);OGATE,XP(D)::R(A)+P(C),XS(c)
      • S(a);N_GUARD::QAB(F),XR(b)
      • S(c);N_GUARD::R(B)
      • S(c);N_GUARD::QAR(F)
      • S(c);OGATE::R(A)+P(C),XS(c)
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