MESON Chess Problem Database

Problem Display
PID: 102417 (5nQK/3p1N1n/1R1P2b1/2p2R1p/4BP1r/1N6/k7/2B5 w - - 0 1)

Kalkavouras, Ioannis

Europe Echecs, 1988

5nQK/3p1N1n/1R1P2b1/2p2R1p/4BP1r/1N6/k7/2B5

#2

10 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bxf5
      • 2.Qg2#
    • 1...Bxf7
      • 2.Qg2#
    • 1...Se6
      • 2.Qa8#
    • 1...c4
      • 2.Ra5#
  • Tries
    • 1.Sa1?
      • threat
        • 2.Ra6#
      • 1...Kxa1
        • 2.Ra6#
      • 1...Rh3!
    • 1.Sd2?
      • threat
        • 2.Ra6#
      • 1...Ka1
        • 2.Ra6#
      • 1...Rh3!
    • 1.Sd4?
      • threat
        • 2.Ra6#
      • 1...Ka1
        • 2.Ra6#
      • 1...cxd4
        • 2.Ra5#
      • 1...Rh3!
    • 1.Sxc5?
      • threat
        • 2.Ra6#
      • 1...Ka1
        • 2.Ra6#
      • 1...Rh3!
    • 1.Se5?
      • threat
        • 2.Ra6#
      • 1...Bf7
        • 2.Qg2#
      • 1...Se6
        • 2.Qa8#
      • 1...c4!
    • 1.Sg5?
      • threat
        • 2.Ra6#
      • 1...Se6
        • 2.Qa8#
      • 1...c4
        • 2.Ra5#
      • 1...Bf7!
    • 1.Sd8?
      • threat
        • 2.Ra6#
      • 1...Bf7
        • 2.Qg2#
      • 1...c4
        • 2.Ra5#
      • 1...Se6!
    • 1.Qg7?
      • threat
        • 2.Qa1#
        • 2.Qb2#
      • 1...Rh2
        • 2.Qa1#
      • 1...Sf6!
  • Keys
    • 1.Sh6!
      • threat
        • 2.Ra6#
      • 1...Bf7
        • 2.Qg2#
      • 1...Se6
        • 2.Qa8#
      • 1...c4
        • 2.Ra5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • B(e);OGATE,XR(E)::QAR(I)
    • B(e);OGATE,XS(H)::QAR(I)
    • S(h);OGATE::QAR(I)
    • P(c);OGATE::R(E)
  • Tries
    • Try
      • S(B);
      • Threat
        • R(F)
      • Vars
        • K(a);P-FLIGHT,XS(B)::R(F)
      • Refutation
        • R(b);
    • Try
      • S(B);
      • Threat
        • R(F)
      • Vars
        • K(a);P-FLIGHT::R(F)
      • Refutation
        • R(b);
    • Try
      • S(B);
      • Threat
        • R(F)
      • Vars
        • K(a);P-FLIGHT::R(F)
        • P(c);OGATE,XS(B)::R(E)
      • Refutation
        • R(b);
    • Try
      • S(B);XP(c)
      • Threat
        • R(F)
      • Vars
        • K(a);P-FLIGHT::R(F)
      • Refutation
        • R(b);
    • Try
      • S(H);
      • Threat
        • R(F)
      • Vars
        • B(e);OGATE::QAR(I)
        • S(h);OGATE::QAR(I)
      • Refutation
        • P(c);
    • Try
      • S(H);
      • Threat
        • R(F)
      • Vars
        • S(h);OGATE::QAR(I)
        • P(c);OGATE::R(E)
      • Refutation
        • B(e);
    • Try
      • S(H);
      • Threat
        • R(F)
      • Vars
        • B(e);OGATE::QAR(I)
        • P(c);OGATE::R(E)
      • Refutation
        • S(h);
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Vars
        • R(b);SBLOCK::QAR1(I)
      • Refutation
        • S(g);
  • Actual
    • S(H);
    • Threat
      • R(F)
    • Vars
      • B(e);OGATE::QAR(I)
      • S(h);OGATE::QAR(I)
      • P(c);OGATE::R(E)
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