MESON Chess Problem Database

Problem Display
PID: 57138 (8/3Kn3/p1pBB3/8/2N1b2q/2krQp2/r2R4/1R6 w - - 0 1)

Tucker, HJ

1st HM., Brisbane Courier, 1917

8/3Kn3/p1pBB3/8/2N1b2q/2krQp2/r2R4/1R6

#2

7 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe3
      • 2.Bb4#
      • 2.Be5#
    • 1...Bd5
      • 2.Qxd3#
  • Tries
    • 1.Sa3?
      • threat
        • 2.Rb3#
      • 1...Rxa3
        • 2.Rc1#
      • 1...Rxe3
        • 2.Bb4#
      • 1...Bd5
        • 2.Rxd3#
        • 2.Qxd3#
      • 1...Sd5
        • 2.Be5#
      • 1...Rb2!
    • 1.Sa5?
      • threat
        • 2.Rb3#
      • 1...Rxd2
        • 2.Qc5#
      • 1...Rxe3
        • 2.Bb4#
      • 1...Ra3
        • 2.Rc1#
      • 1...Bd5
        • 2.Qxd3#
      • 1...Rb2!
    • 1.Rc2+?
      • 1...Kxc2
        • 2.Qc1#
      • 1...Rxc2!
    • 1.Rxd3+?
      • 1...Kc2
        • 2.Rc1#
      • 1...Bxd3!
  • Keys
    • 1.Sb6!
      • threat
        • 2.Rb3#
      • 1...Rxd2
        • 2.Qc5#
      • 1...Rxe3
        • 2.Bb4#
      • 1...Rb2
        • 2.Sa4#
      • 1...Ra3
        • 2.Rc1#
      • 1...Bd5
        • 2.Qxd3#
      • 1...Sd5
        • 2.Be5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • B(e);N_GUARD,N_PINB(E)::QAR1(C),XR(c)
  • Tries
    • Try
      • S(D);
      • Threat
        • R1(A)
      • Vars
        • R(a);N_GUARD,XS(D)::R(A)
        • R(c);N_PINB(E),N_SPINR(c),XQ(C)::B(E)
        • S(i);N_PINB(E)::B(E)
      • Refutation
        • R(a);
    • Try
      • S(D);
      • Threat
        • R1(A)
      • Vars
        • R(a);SBLOCK,XR(B)::QAR2(C)
        • R(c);N_PINB(E),N_SPINR(c),XQ(C)::B(E)
        • R(a);N_GUARD::R(A)
        • B(e);N_GUARD,N_PINB(E)::QAR1(C),XR(c)
      • Refutation
        • R(a);
    • Try
      • R(B);CHECK
      • Vars
        • K(b);N_SPINR(c),P-FLIGHT,XR(B)::QAR1(C)
      • Refutation
        • R(a);XR(B)
    • Try
      • R(B);CHECK,N_SPINB(E),XR(c)
      • Vars
        • K(b);P-FLIGHT::R1(A)
      • Refutation
        • B(e);P_SPINB(e),XR(B)
  • Actual
    • S(D);
    • Threat
      • R1(A)
    • Vars
      • R(a);SBLOCK,XR(B)::QAR2(C)
      • R(c);N_PINB(E),N_SPINR(c),XQ(C)::B(E)
      • R(a);N_GUARD::S(D)
      • R(a);N_GUARD::R(A)
      • B(e);N_GUARD,N_PINB(E)::QAR1(C),XR(c)
      • S(i);N_PINB(E)::B(E)
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