MESON Chess Problem Database

Problem Display
PID: 108517 (8/3N4/2N4Q/2p2n2/p1k5/8/2B5/K2R4 w - - 0 1)

Kamenik, Arnost

Zpravodaj Kotva, 1967

8/3N4/2N4Q/2p2n2/p1k5/8/2B5/K2R4

#2

6 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sa5+?
      • 1...Kc3
        • 2.Qd2#
      • 1...Kb5
        • 2.Qb6#
      • 1...Kb4!
    • 1.Sce5+?
      • 1...Kc3
        • 2.Qd2#
      • 1...Kb5
        • 2.Qb6#
      • 1...Kb4!
    • 1.Sde5+?
      • 1...Kc3
        • 2.Qd2#
      • 1...Kb5!
    • 1.Sb6+?
      • 1...Kc3
        • 2.Qd2#
      • 1...Kb5!
  • Keys
    • 1.Rd5!
      • threat
        • 2.Rxc5#
      • 1...Kc3
        • 2.Rxc5#
      • 1...Kb5
        • 2.Bd3#
      • 1...Kxd5
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(E)
        • K(b);S_FLIGHT::QAR1(E)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • S(D);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(E)
        • K(b);S_FLIGHT::QAR1(E)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(E)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • R(B);
    • Threat
      • R1(B),XP(c)
    • Vars
      • K(b);P-FLIGHT::R(B),XP(c)
      • K(b);P_SPINP(c),S_FLIGHT::B(C)
      • K(b);S_FLIGHT,XR(B)::S(F)
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