MESON Chess Problem Database

Problem Display
PID: 224716 (8/3P2Q1/2prk3/4n3/1P1p1R2/5PK1/2N5/1B6 w - - 0 1)

Slater, George James

The Sunny South, 1888

8/3P2Q1/2prk3/4n3/1P1p1R2/5PK1/2N5/1B6

#2

8 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Rf6#
  • Tries
    • 1.Ba2+?
      • 1...Rd5
        • 2.Rf6#
      • 1...Sc4!
    • 1.Qf6+?
      • 1...Kd5
        • 2.Rxd4#
      • 1...Kxd7!
    • 1.Qe7+?
      • 1...Kd5
        • 2.Rxd4#
      • 1...Kxe7!
    • 1.d8S+?
      • 1...Kd5
        • 2.Rxd4#
      • 1...Rxd8!
  • Keys
    • 1.Rf5!
      • threat
        • 2.Rxe5#
      • 1...Kd5
        • 2.Ba2#
      • 1...Kxf5
        • 2.Sxd4#
      • 1...Rxd7
        • 2.Qxe5#
      • 1...Sxf3
        • 2.Qf7#
      • 1...Sxd7
        • 2.Qf7#
      • 1...Sf7
        • 2.Qxf7#
      • 1...Rd5
        • 2.Rf6#
      • 1...Sd3
        • 2.Qf7#
      • 1...Sc4
        • 2.Qf7#
      • 1...Sg4
        • 2.Qf7#
      • 1...Sg6
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • R(d);SBLOCK::R1(F)
  • Tries
    • Try
      • B(A);CHECK
      • Vars
        • R(d);P_SPINR(d)::R1(F)
      • Refutation
        • S(b);P_SPINS(b)
    • Try
      • Q(H);CHECK
      • Vars
        • K(e);S_FLIGHT::R1(F),XP(a)
      • Refutation
        • K(e);S_FLIGHT,XP(G)
    • Try
      • Q(H);CHECK
      • Vars
        • K(e);S_FLIGHT::R1(F),XP(a)
      • Refutation
        • K(e);P-FLIGHT,XQ(H)
    • Try
      • P(G);CHECK
      • Vars
        • K(e);S_FLIGHT::R1(F),XP(a)
      • Refutation
        • R(d);XS(G)
  • Actual
    • R(F);
    • Threat
      • R1(F),XS(b)
    • Vars
      • K(e);P_SPINS(b),S_FLIGHT::B(A)
      • K(e);S_FLIGHT,XR(F)::B(A)+S(B),DCHECK,XP(a)
      • R(d);SBLOCK,XP(G)::QAR1(H),XS(b)
      • S(b);N_GUARD,XP(C)::QAB1(H)
      • S(b);N_GUARD,XP(G)::QAB1(H)
      • S(b);N_GUARD::QAB1(H),XS(b)
      • R(d);SBLOCK::R1(F)
      • S(b);N_GUARD::QAB1(H)
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