MESON Chess Problem Database

Problem Display
PID: 164079 (8/2K1p3/8/2k2N2/4rB2/1Q6/8/8 w - - 0 1)

Zimmer, Eligiusz

Sachova skladba, 2007

8/2K1p3/8/2k2N2/4rB2/1Q6/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Re3
      • 2.Bxe3#
    • 1...e6
      • 2.Bd6#
  • Tries
    • 1.Be3+?
      • 1...Rd4
        • 2.Bxd4#
      • 1...Rxe3!
    • 1.Qc3+?
      • 1...Kd5
        • 2.Qc6#
      • 1...Rc4
        • 2.Qa5#
      • 1...Kb5!
    • 1.Qb6+?
      • 1...Kd5
        • 2.Qc6#
      • 1...Kc4!
  • Keys
    • 1.Se3!
      • threat
        • 2.Qb6#
      • 1...Kd4
        • 2.Qc4#
      • 1...Rxe3
        • 2.Bxe3#
      • 1...Rb4
        • 2.Qd5#
      • 1...Re6
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(a);N_GUARD::B(B),XR(a)
    • P(c);N_GUARD::B(B)
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • R(a);N_GUARD,P_SPINR(a)::B(B),XR(a)
      • Refutation
        • R(a);XB(B)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);OGATE,P-FLIGHT::QAB1(A)
        • R(a);P_SPINR(a),SBLOCK::QAR2(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(C);
    • Threat
      • QAB1(A)
    • Vars
      • K(b);S_FLIGHT::QAR1(A)
      • R(a);OGATE,XS(C)::B(B),XR(a)
      • R(a);SBLOCK::QAR1(A)
      • R(a);N_GUARD::QAR1(A)
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