MESON Chess Problem Database

Problem Display
PID: 275483 (2R5/QP1P1PN1/BpPpP3/b2k4/Rp1B4/5K2/1P6/8 w - - 0 1)

Vasilenko, Anatoly Grigorovich

Problemist Ukraini, 2023

2R5/QP1P1PN1/BpPpP3/b2k4/Rp1B4/5K2/1P6/8

#2

13 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Ke3?
      • 1...b3
        • 2.Bc4#
      • 1...b5!
    • 1.Bf6?
      • 1...Kc5
        • 2.Rxa5#
      • 1...b5
        • 2.Qd4#
      • 1...b3!
    • 1.b8Q?
      • 1...Kxd4
        • 2.Qxd6#
      • 1...b5
        • 2.Qxb5#
      • 1...b3!
    • 1.f8Q?
      • 1...Kxd4
        • 2.Qxd6#
      • 1...b3
        • 2.Qf5#
      • 1...b5!
  • Keys
    • 1.d8Q!
      • 1...Kxd4
        • 2.Qxd6#
      • 1...b3
        • 2.Qg5#
      • 1...b5
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(a);::B(E)
      • Refutation
        • P(d);
    • Try
      • B(D);
      • Vars
        • K(c);P-FLIGHT,P_SPINP(d)::R(C),XB(b)
        • P(d);OGATE::QAR1(H)
      • Refutation
        • P(a);
    • Try
      • P(I);
      • Vars
        • K(c);N_GUARD,P-FLIGHT,P_SPINP(a),XB(D)::QAR2(I),XP(e)
        • P(d);OGATE::QAR2(I),XP(d)
      • Refutation
        • P(a);
    • Try
      • P(K);
      • Vars
        • K(c);N_GUARD,P-FLIGHT,P_SPINP(a),XB(D)::QAR2(K),XP(e)
        • P(a);::QAR2(K)
      • Refutation
        • P(d);
  • Actual
    • P(J);P_PINP(e)
    • Vars
      • K(c);N_GUARD,N_SPINP(e),P-FLIGHT,P_SPINP(a),XB(D)::QAR2(J),XP(e)
      • P(a);::QAR(J)
      • P(d);OGATE::QAR1(H)
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