MESON Chess Problem Database

Problem Display
PID: 161649 (8/5N2/1B2B3/8/3pkpP1/8/3R1P2/7K w - - 0 1)

Geary, William

Australasian (The), 1913

(First published on Sat Feb 15 1913)

8/5N2/1B2B3/8/3pkpP1/8/3R1P2/7K

#2

7 + 3

15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Sg5#
    • 1...f3
      • 2.Rxd4#
  • Tries
    • 1.Kg1?
      • 1...Kf3
        • 2.Sg5#
      • 1...f3
        • 2.Rxd4#
      • 1...d3!
    • 1.Kg2?
      • threat
        • 2.Rxd4#
      • 1...d3
        • 2.f3#
      • 1...f3+!
    • 1.Kh2?
      • 1...Kf3
        • 2.Sg5#
      • 1...f3
        • 2.Rxd4#
      • 1...d3!
    • 1.Bxd4?
      • threat
        • 2.Sg5#
      • 1...Kf3
        • 2.Sg5#
      • 1...f3!
    • 1.Bc5?
      • 1...Kf3
        • 2.Sg5#
      • 1...f3
        • 2.Rxd4#
      • 1...d3!
    • 1.Ba7?
      • 1...Kf3
        • 2.Sg5#
      • 1...f3
        • 2.Rxd4#
      • 1...d3!
    • 1.Bc7?
      • threat
        • 2.Sg5#
      • 1...Kf3
        • 2.Sg5#
      • 1...d3!
    • 1.Bf5+?
      • 1...Kf3
        • 2.Se5#
        • 2.Sg5#
      • 1...Kd5!
    • 1.Bc8?
      • threat
        • 2.Bb7#
      • 1...Kf3
        • 2.Sg5#
      • 1...f3
        • 2.Rxd4#
      • 1...Kd5!
    • 1.Rd3?
      • 1...f3
        • 2.Rxd4#
      • 1...Kxd3!
  • Keys
    • 1.Bd7!
      • threat
        • 2.Bc6#
      • 1...Kf3
        • 2.Sg5#
      • 1...Kd5
        • 2.Rxd4#
      • 1...f3
        • 2.Rxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::S(G)
    • P(c);SBLOCK::R1(B),XP(a)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::S(G)
        • P(c);SBLOCK::R1(B),XP(a)
      • Refutation
        • P(a);
    • Try
      • K(A);S_FLIGHT
      • Threat
        • R1(B),XP(a)
      • Vars
        • P(a);::P(C)
      • Refutation
        • P(c);CHECK
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::S(G)
        • P(c);SBLOCK::R1(B),XP(a)
      • Refutation
        • P(a);
    • Try
      • B(E);XP(a)
      • Threat
        • S(G)
      • Vars
        • K(b);S_FLIGHT::S(G)
      • Refutation
        • P(c);
    • Try
      • B(E);
      • Vars
        • K(b);S_FLIGHT::S(G)
        • P(c);SBLOCK::R1(B),XP(a)
      • Refutation
        • P(a);
    • Try
      • B(E);
      • Vars
        • K(b);S_FLIGHT::S(G)
        • P(c);SBLOCK::R1(B),XP(a)
      • Refutation
        • P(a);
    • Try
      • B(E);
      • Threat
        • S(G)
      • Vars
        • K(b);S_FLIGHT::S(G)
      • Refutation
        • P(a);
    • Try
      • B(F);CHECK
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • B(F);
      • Threat
        • B(F)
      • Vars
        • K(b);S_FLIGHT::S(G)
        • P(c);SBLOCK::R1(B),XP(a)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • R(B);
      • Vars
        • P(c);SBLOCK::R1(B),XP(a)
      • Refutation
        • K(b);S_FLIGHT,XR(B)
  • Actual
    • B(F);
    • Threat
      • B(F)
    • Vars
      • K(b);S_FLIGHT::S(G)
      • K(b);P_SPINP(a),S_FLIGHT::R1(B),XP(a)
      • P(c);SBLOCK::R1(B),XP(a)
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