MESON Chess Problem Database

Problem Display
PID: 41428 (n7/b5K1/3RB3/r3p1kp/1Qp1R2p/r1B5/4N3/1b6 w - - 0 1)

Haring, Jacobus

1st Comm., Olympic Ty., 1984

n7/b5K1/3RB3/r3p1kp/1Qp1R2p/r1B5/4N3/1b6

#2

7 + 10

3748 FIDE Album (1983-1985) 1992

SOLUTION

  • SOUND
  • Tries
    • 1.Sf4?
      • threat
        • 2.Sh3#
      • 1...exf4
        • 2.Bf6#
      • 1...h3
        • 2.Sxh3#
      • 1...Rxc3!
    • 1.Rd1?
      • threat
        • 2.Qe7#
      • 1...Rc5
        • 2.Rg1#
      • 1...Bc5!
    • 1.Rd5?
      • threat
        • 2.Qe7#
      • 1...Bc5
        • 2.Rdxe5#
      • 1...Rc5!
    • 1.Qxa5?
      • threat
        • 2.Qd8#
        • 2.Qxe5#
      • 1...Bxe4
        • 2.Qd8#
      • 1...Bd4
        • 2.Qd8#
      • 1...Bc5
        • 2.Qd8#
      • 1...Bb6
        • 2.Qxe5#
      • 1...Sb6
        • 2.Qxe5#
      • 1...Sc7
        • 2.Qxe5#
      • 1...Rxa5!
  • Keys
    • 1.Rd3!
      • threat
        • 2.Qe7#
      • 1...Rc5
        • 2.Bd2#
      • 1...Bc5
        • 2.Rxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Threat
        • S(A)
      • Vars
        • P(f);OGATE,XS(A)::B(B)
        • P(d);::S(A),XP(d)
      • Refutation
        • R(b);XB(B)
    • Try
      • R(E);
      • Threat
        • QAB(C)
      • Vars
        • R(e);S_CUTB(i)::R(E)
      • Refutation
        • B(i);
    • Try
      • R(E);P_PINP(f)
      • Threat
        • QAB(C)
      • Vars
        • B(i);S_CUTR(e)::R(E),XP(f)
      • Refutation
        • R(e);
    • Try
      • Q(C);P_PINP(f),XR(e)
      • Threat
        • DUALS(2)
      • Vars
        • B(a);XR(D)::QAB(C)
        • B(i);::QAB(C)
        • B(i);N_SPINP(f)::QAB(C)
        • B(i);::QAR2(C),XP(f)
        • S(j);::QAR2(C),XP(f)
      • Refutation
        • R(b);N_SPINP(f),XQ(C)
  • Actual
    • R(E);
    • Threat
      • QAB(C)
    • Vars
      • R(e);S_CUTB(i)::B(B)
      • B(i);S_CUTR(e)::R(D),XP(f)
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