MESON Chess Problem Database

Problem Display
PID: 46376 (8/8/8/1p1K4/1k6/7R/Q7/1rb5 w - - 0 1)

Jada, Faud Emile

The Problemist, 1978

8/8/8/1p1K4/1k6/7R/Q7/1rb5

#2

3 + 4

4883 Still More Fun with Chess Miniatures 2002
136 Problem Observer 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Rb3#
    • 1...Rb2
      • 2.Qa3#
    • 1...Rb3
      • 2.Rxb3#
    • 1...Bb2
      • 2.Rb3#
    • 1...Bd2
      • 2.Qa3#
    • 1...Ba3
      • 2.Qxa3#
    • 1...Bf4
      • 2.Qa3#
    • 1...Bg5
      • 2.Qa3#
    • 1...Bh6
      • 2.Qa3#
  • Tries
    • 1.Rc3?
      • 1...Ba3
        • 2.Qxa3#
      • 1...Ra1
        • 2.Rb3#
      • 1...Rb2
        • 2.Qa3#
      • 1...Rb3
        • 2.Rxb3#
      • 1...Bb2
        • 2.Rb3#
      • 1...Bd2
        • 2.Qa3#
      • 1...Be3
        • 2.Qa3#
      • 1...Bf4
        • 2.Qa3#
      • 1...Bg5
        • 2.Qa3#
      • 1...Bh6
        • 2.Qa3#
      • 1...Kxc3!
    • 1.Re3?
      • 1...Ba3
        • 2.Qxa3#
      • 1...Ra1
        • 2.Rb3#
      • 1...Rb2
        • 2.Qa3#
      • 1...Rb3
        • 2.Rxb3#
      • 1...Bb2
        • 2.Rb3#
      • 1...Bd2
        • 2.Qa3#
      • 1...Bxe3!
    • 1.Rf3?
      • 1...Ba3
        • 2.Qxa3#
      • 1...Ra1
        • 2.Rb3#
      • 1...Rb2
        • 2.Qa3#
      • 1...Rb3
        • 2.Rxb3#
      • 1...Bb2
        • 2.Rb3#
      • 1...Bd2
        • 2.Qa3#
      • 1...Bf4
        • 2.Qa3#
      • 1...Bg5
        • 2.Qa3#
      • 1...Bh6
        • 2.Qa3#
      • 1...Be3!
    • 1.Rg3?
      • 1...Ba3
        • 2.Qxa3#
      • 1...Ra1
        • 2.Rb3#
      • 1...Rb2
        • 2.Qa3#
      • 1...Rb3
        • 2.Rxb3#
      • 1...Bb2
        • 2.Rb3#
      • 1...Bd2
        • 2.Qa3#
      • 1...Bf4
        • 2.Qa3#
      • 1...Bg5
        • 2.Qa3#
      • 1...Bh6
        • 2.Qa3#
      • 1...Be3!
  • Keys
    • 1.Rd3!
      • 1...Ba3
        • 2.Qxa3#
      • 1...Ra1
        • 2.Rb3#
      • 1...Rb2
        • 2.Qa3#
      • 1...Rb3
        • 2.Rxb3#
      • 1...Bb2
        • 2.Rb3#
      • 1...Bd2
        • 2.Qa3#
      • 1...Be3
        • 2.Qa3#
      • 1...Bf4
        • 2.Qa3#
      • 1...Bg5
        • 2.Qa3#
      • 1...Bh6
        • 2.Qa3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(a);N_GUARD::R1(B)
    • R(a);S_CUTB(b)::QAB1(A)
    • R(a);N_GUARD::R1(B),XR(a)
    • B(b);S_CUTR(a)::R1(B)
    • B(b);N_GUARD::QAB1(A)
    • B(b);N_GUARD::QAB1(A),XB(b)
  • Tries
    • Try
      • R(B);
      • Vars
        • B(b);N_GUARD::QAB1(A),XB(b)
        • R(a);N_GUARD::R1(B)
        • R(a);S_CUTB(b)::QAB1(A)
        • R(a);N_GUARD::R1(B),XR(a)
        • B(b);S_CUTR(a)::R1(B)
        • B(b);N_GUARD::QAB1(A)
      • Refutation
        • K(c);S_FLIGHT,XR(B)
    • Try
      • R(B);
      • Vars
        • B(b);N_GUARD::QAB1(A),XB(b)
        • R(a);N_GUARD::R1(B)
        • R(a);S_CUTB(b)::QAB1(A)
        • R(a);N_GUARD::R1(B),XR(a)
        • B(b);S_CUTR(a)::R1(B)
        • B(b);N_GUARD::QAB1(A)
      • Refutation
        • B(b);XR(B)
    • Try
      • R(B);
      • Vars
        • B(b);N_GUARD::QAB1(A),XB(b)
        • R(a);N_GUARD::R1(B)
        • R(a);S_CUTB(b)::QAB1(A)
        • R(a);N_GUARD::R1(B),XR(a)
        • B(b);S_CUTR(a)::R1(B)
        • B(b);N_GUARD::QAB1(A)
      • Refutation
        • B(b);
    • Try
      • R(B);
      • Vars
        • B(b);N_GUARD::QAB1(A),XB(b)
        • R(a);N_GUARD::R1(B)
        • R(a);S_CUTB(b)::QAB1(A)
        • R(a);N_GUARD::R1(B),XR(a)
        • B(b);S_CUTR(a)::R1(B)
        • B(b);N_GUARD::QAB1(A)
      • Refutation
        • B(b);
  • Actual
    • R(B);
    • Vars
      • B(b);N_GUARD::QAB1(A),XB(b)
      • R(a);N_GUARD::R1(B)
      • R(a);S_CUTB(b)::QAB1(A)
      • R(a);N_GUARD::R1(B),XR(a)
      • B(b);S_CUTR(a)::R1(B)
      • B(b);N_GUARD::QAB1(A)
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