MESON Chess Problem Database

Problem Display
PID: 222605 (8/1B3N2/4Rp1P/5k2/2P4K/8/8/R5B1 w - - 0 1)

Munoz, JB

Brooklyn Chess Chronicle, 1884

8/1B3N2/4Rp1P/5k2/2P4K/8/8/R5B1

#2

8 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Rf1#
      • 2.Rxf6#
  • Tries
    • 1.Sd8?
      • 1...Kf4
        • 2.Rf1#
      • 1...Kg6!
    • 1.Sh8?
      • 1...Kf4
        • 2.Rf1#
      • 1...Kxe6!
    • 1.Be4+?
      • 1...Kf4
        • 2.Rf1#
      • 1...Kxe6!
    • 1.Bd5?
      • 1...Kf4
        • 2.Rf1#
        • 2.Rxf6#
      • 1...Kg6!
    • 1.Bc8?
      • 1...Kf4
        • 2.Rf1#
      • 1...Kg6!
    • 1.Rae1?
      • 1...Kf4
        • 2.Rf1#
        • 2.Rxf6#
      • 1...Kg6!
    • 1.Raa6?
      • threat
        • 2.Rxf6#
      • 1...Kf4
        • 2.Rxf6#
      • 1...Kg6!
    • 1.Ree1?
      • 1...Kf4
        • 2.Rf1#
      • 1...Kg6!
    • 1.Re2?
      • 1...Kf4
        • 2.Rf1#
      • 1...Kg6!
    • 1.Re3?
      • 1...Kf4
        • 2.Rf1#
        • 2.Rf3#
      • 1...Kg6!
    • 1.Rea6?
      • 1...Kf4
        • 2.Rf1#
        • 2.Rxf6#
      • 1...Kg6!
    • 1.Rb6?
      • 1...Kf4
        • 2.Rf1#
        • 2.Rxf6#
      • 1...Kg6!
    • 1.Rd6?
      • 1...Kf4
        • 2.Rf1#
        • 2.Rxf6#
      • 1...Kg6!
    • 1.Re7?
      • 1...Kf4
        • 2.Rf1#
      • 1...Kg6!
    • 1.Re8?
      • 1...Kf4
        • 2.Rf1#
      • 1...Kg6!
  • Keys
    • 1.Ra7!
      • 1...Kf4
        • 2.Rxf6#
      • 1...Kxe6
        • 2.Bc8#
      • 1...Kg6
        • 2.Be4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(H);
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT
    • Try
      • S(H);
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);S_FLIGHT,XR(E)
    • Try
      • B(G);CHECK
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);S_FLIGHT,XR(E)
    • Try
      • B(G);
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT
    • Try
      • B(G);
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT
    • Try
      • R(A);
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT
    • Try
      • R(A);
      • Threat
        • R1(E),XP(b)
      • Vars
        • K(a);P-FLIGHT::R(E),XP(b)
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT
    • Try
      • R(E);
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT
    • Try
      • R(E);
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(A);
    • Vars
      • K(a);P-FLIGHT::R(E),XP(b)
      • K(a);OGATEB,S_FLIGHT,XR(E)::B(G)
      • K(a);P_SPINP(b),S_FLIGHT::B(G)
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