MESON Chess Problem Database

Problem Display
PID: 58212 (8/8/7p/7n/5P1k/1R1B3p/6Q1/K7 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Scacco!, 1997

8/8/7p/7n/5P1k/1R1B3p/6Q1/K7

#2

5 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Be2?
      • threat
        • 2.Rxh3#
        • 2.Qxh3#
        • 2.Qg4#
      • 1...Sxf4
        • 2.Qg3#
        • 2.Qg4#
      • 1...Sg3
        • 2.Qxg3#
      • 1...Sf6
        • 2.Rxh3#
        • 2.Qxh3#
        • 2.Qf2#
        • 2.Qg3#
      • 1...h2
        • 2.Rh3#
        • 2.Qh3#
        • 2.Qxh2#
        • 2.Qg4#
      • 1...hxg2!
    • 1.Bg6?
      • threat
        • 2.Rxh3#
        • 2.Qxh3#
      • 1...Sxf4
        • 2.Qg3#
      • 1...Sg3
        • 2.Qxg3#
      • 1...h2
        • 2.Rh3#
        • 2.Qh3#
      • 1...hxg2!
  • Keys
    • 1.Bf5!
      • threat
        • 2.Rxh3#
        • 2.Qxh3#
        • 2.Qg4#
      • 1...Sxf4
        • 2.Qg4#
      • 1...hxg2
        • 2.Rh3#
      • 1...Sg3
        • 2.Qxh3#
      • 1...Sf6
        • 2.Rxh3#
        • 2.Qxh3#
      • 1...h2
        • 2.Rh3#
        • 2.Qh3#
        • 2.Qxh2#
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);
      • Threat
        • DUALS(3)
      • Vars
        • S(c);N_GUARD::QAB1(B),XS(c)
      • Refutation
        • P(a);XQ(B)
    • Try
      • B(D);
      • Threat
        • DUALS(2)
      • Vars
        • S(c);N_GUARD,XP(E)::QAB1(B)
        • S(c);N_GUARD::QAB1(B),XS(c)
      • Refutation
        • P(a);XQ(B)
  • Actual
    • B(D);
    • Threat
      • DUALS(3)
    • Vars
      • S(c);XP(E)::QAR1(B)
      • P(a);XQ(B)::R1(C)
      • S(c);::QAR1(B),XP(a)
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