MESON Chess Problem Database

Problem Display
PID: 150244 (8/8/8/8/8/8/3Rp3/kbK1Q3 w - - 0 1)

Abdullayev, Suleyman

Smushkevich-110 MT, 2012

8/8/8/8/8/8/3Rp3/kbK1Q3

#2

3 + 3

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Ra2+?
      • 1...Bxa2
        • 2.Qc3#
      • 1...Kxa2!
    • 1.Rb2?
      • 1...Bc2
        • 2.Kxc2#
      • 1...Bd3
        • 2.Qa5#
      • 1...Be4
        • 2.Qa5#
      • 1...Bf5
        • 2.Qa5#
      • 1...Bg6
        • 2.Qa5#
      • 1...Bh7
        • 2.Qa5#
      • 1...Ba2!
    • 1.Qxe2?
      • threat
        • 2.Qe5#
      • 1...Be4
        • 2.Ra2#
        • 2.Qa6#
      • 1...Bc2!
  • Keys
    • 1.Rd3!
      • 1...Ka2
        • 2.Qa5#
      • 1...Bxd3
        • 2.Qa5#
      • 1...Ba2
        • 2.Qc3#
      • 1...Bc2
        • 2.Ra3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • B(b);SBLOCK,XR(C)::QAB(B)
      • Refutation
        • K(a);P-FLIGHT,XR(C)
    • Try
      • R(C);
      • Vars
        • B(b);::QAR(B)+K(A),XB(b)
        • B(b);N_GUARD::QAR(B)
      • Refutation
        • B(b);
    • Try
      • Q(B);XP(c)
      • Threat
        • QAB(B)
      • Refutation
        • B(b);
  • Actual
    • R(C);
    • Vars
      • K(a);P-FLIGHT::QAR(B)
      • B(b);N_GUARD,XR(C)::QAR(B)
      • B(b);SBLOCK::QAB(B)
      • B(b);N_GUARD::R(C)
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