MESON Chess Problem Database

Problem Display
PID: 225430 (8/rQ1R2Br/3K4/2p1p3/1RP1pN2/q1P5/3kpp1b/N2b1n1B w - - 0 1)

Cuppini, Alessandro

Comm., Praca, 2000

8/rQ1R2Br/3K4/2p1p3/1RP1pN2/q1P5/3kpp1b/N2b1n1B

#2

10 + 12

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Kxc5+?
      • 1...Ke1
        • 2.Sg2#
      • 1...Kxc3
        • 2.Bxe5#
      • 1...Ke3
        • 2.Qxe4#
      • 1...Kc1!
    • 1.Kc6+?
      • 1...Kc1
        • 2.Rb1#
      • 1...Ke1
        • 2.Sg2#
      • 1...Kxc3
        • 2.Bxe5#
      • 1...Ke3!
    • 1.Kc7+?
      • 1...Kc1
        • 2.Rb1#
      • 1...Ke1
        • 2.Sg2#
      • 1...Kxc3
        • 2.Bxe5#
      • 1...Ke3!
    • 1.Ke7+?
      • 1...Kc1
        • 2.Rb1#
      • 1...Ke1
        • 2.Sg2#
      • 1...Ke3
        • 2.Qxe4#
      • 1...Kxc3!
  • Keys
    • 1.Ke6+!
      • 1...Kc1
        • 2.Rb1#
      • 1...Ke1
        • 2.Sg2#
      • 1...Kxc3
        • 2.Bxe5#
      • 1...Ke3
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(G);CHECK,P_SPINR(D),S_FLIGHT,XP(i)
      • Vars
        • K(c);S_FLIGHT::S(F)
        • K(c);P_SPINP(j),S_FLIGHT,XP(C)::B(J),XP(j)
        • K(c);S_FLIGHT::QAR1(H),XP(h)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • K(G);CHECK,P-FLIGHT
      • Vars
        • K(c);S_FLIGHT::R1(D)
        • K(c);S_FLIGHT::S(F)
        • K(c);P_SPINP(j),S_FLIGHT,XP(C)::B(J),XP(j)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • K(G);CHECK,P_SPINQ(H),S_FLIGHT
      • Vars
        • K(c);S_FLIGHT::R1(D)
        • K(c);S_FLIGHT::S(F)
        • K(c);P_SPINP(j),S_FLIGHT,XP(C)::B(J),XP(j)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • K(G);CHECK,P_SPINB(J),S_FLIGHT
      • Vars
        • K(c);S_FLIGHT::R1(D)
        • K(c);S_FLIGHT::S(F)
        • K(c);S_FLIGHT::QAR1(H),XP(h)
      • Refutation
        • K(c);P_SPINP(j),S_FLIGHT,XP(C)
  • Actual
    • K(G);CHECK,P-FLIGHT
    • Vars
      • K(c);S_FLIGHT::R1(D)
      • K(c);S_FLIGHT::S(F)
      • K(c);P_SPINP(j),S_FLIGHT,XP(C)::B(J),XP(j)
      • K(c);S_FLIGHT::QAR1(H),XP(h)
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