MESON Chess Problem Database

Problem Display
PID: 169112 (8/8/8/1K1p2BB/2pp2R1/1Pk2N2/Q2p4/8 w - - 0 1)

Abdullayev, Suleyman

Sp. Prize, SuperProblem 103. TT, 2014

8/8/8/1K1p2BB/2pp2R1/1Pk2N2/Q2p4/8

#2

7 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qxd2#
    • 1...cxb3
      • 2.Qxd2#
    • 1...d3
      • 2.Bxd2#
  • Tries
    • 1.Sxd4?
      • threat
        • 2.Qc2#
        • 2.Qxd2#
      • 1...Kd3
        • 2.Qc2#
        • 2.Qxd2#
      • 1...cxb3
        • 2.Qxb3#
        • 2.Qxd2#
      • 1...d1S
        • 2.Qc2#
        • 2.Qd2#
      • 1...d1B
        • 2.Qd2#
      • 1...d1R
        • 2.Qc2#
      • 1...d1Q!
    • 1.Bg6?
      • threat
        • 2.Bxd2#
        • 2.Qc2#
      • 1...cxb3
        • 2.Bxd2#
        • 2.Qxd2#
      • 1...d1S
        • 2.Bd2#
        • 2.Qc2#
      • 1...d1B
        • 2.Bd2#
      • 1...d1R
        • 2.Qc2#
      • 1...d3
        • 2.Bxd2#
      • 1...d1Q!
    • 1.Qb2+?
      • 1...Kd3
        • 2.Qxd2#
      • 1...Kxb2!
  • Keys
    • 1.Sxd2!
      • 1...Kd3
        • 2.Rg3#
      • 1...cxb3
        • 2.Qxb3#
      • 1...d3
        • 2.Sb1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 3
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::QAR1(A),XP(a)
    • P(c);SBLOCK,XP(B)::QAB1(A),XP(a)
    • P(d);SBLOCK::B(F),XP(a)
  • Tries
    • Try
      • S(C);XP(d)
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::QAB1(A)
        • P(a);::QAR1(A)
      • Refutation
        • P(a);
    • Try
      • B(G);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::B(F)
        • P(a);::QAR1(A)
        • P(d);::B(F),XP(a)
      • Refutation
        • P(a);
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(A),XP(a)
      • Refutation
        • K(b);S_FLIGHT,XQ(A)
  • Actual
    • S(C);XP(a)
    • Vars
      • K(b);P-FLIGHT::R(D)
      • P(c);OGATE,XP(B)::QAR1(A),XP(c)
      • P(d);SBLOCK::S(C)
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