MESON Chess Problem Database

Problem Display
PID: 78192 (4R3/1Q6/3k4/3p4/3p2K1/3P4/8/8 w - - 0 1)

Agarkov, Anatoly Yakovlevich

Sa ogneupory, 1989

4R3/1Q6/3k4/3p4/3p2K1/3P4/8/8

#2

4 + 3

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Re6+?
      • 1...Kc5
        • 2.Rc6#
        • 2.Qb6#
      • 1...Kxe6!
    • 1.Rb8?
      • 1...Kc5
        • 2.Qb6#
        • 2.Qc7#
      • 1...Ke5
        • 2.Qe7#
      • 1...Ke6!
    • 1.Rc8?
      • 1...Ke5
        • 2.Qe7#
      • 1...Ke6!
    • 1.Rd8+?
      • 1...Kc5
        • 2.Rxd5#
      • 1...Ke5
        • 2.Qe7#
      • 1...Ke6!
  • Keys
    • 1.Re5!
      • 1...Kc5
        • 2.Rxd5#
      • 1...Kxe5
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);CHECK
      • Refutation
        • K(c);P-FLIGHT,XR(D)
    • Try
      • R(D);
      • Vars
        • K(c);S_FLIGHT::QAR2(C)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • R(D);
      • Vars
        • K(c);S_FLIGHT::QAR2(C)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • R(D);CHECK
      • Vars
        • K(c);OGATE,S_FLIGHT::R1(D),XP(b)
        • K(c);S_FLIGHT::QAR2(C)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • R(D);
    • Vars
      • K(c);P_SPINP(b),S_FLIGHT::R1(D),XP(b)
      • K(c);S_FLIGHT,XR(D)::QAR2(C)
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