MESON Chess Problem Database

Problem Display
PID: 123056 (8/8/8/8/1pQ5/1BR2pK1/2pkpN2/6N1 w - - 0 1)

Szoghy, Jozsef

Sztalinvarosi Hirlap, 1956

8/8/8/8/1pQ5/1BR2pK1/2pkpN2/6N1

#2

6 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...c1Q
      • 2.Sxf3#
    • 1...c1S
      • 2.Sxf3#
    • 1...c1B
      • 2.Sxf3#
    • 1...c1R
      • 2.Sxf3#
  • Tries
    • 1.Rxc2+?
      • 1...Ke3
        • 2.Sg4#
        • 2.Qd3#
        • 2.Qe4#
        • 2.Qf4#
        • 2.Qc5#
      • 1...Ke1!
    • 1.Rd3+?
      • 1...Kc1
        • 2.Qxc2#
      • 1...Ke1!
    • 1.Qd3+?
      • 1...Kc1
        • 2.Qxc2#
      • 1...Ke1!
    • 1.Qf4+?
      • 1...Ke1
        • 2.Qc1#
      • 1...Kxc3!
  • Keys
    • 1.Rxf3!
      • 1...Kc1
        • 2.Qxc2#
      • 1...Ke1
        • 2.Qxe2#
      • 1...c1Q
        • 2.Qxe2#
      • 1...c1S
        • 2.Qxb4#
      • 1...c1B
        • 2.Qxe2#
        • 2.Qxb4#
      • 1...c1R
        • 2.Qxe2#
      • 1...e1Q
        • 2.Qxc2#
      • 1...e1S
        • 2.Qf4#
      • 1...e1B
        • 2.Qxc2#
        • 2.Qf4#
      • 1...e1R
        • 2.Qxc2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 3
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • P(a);::S(A),XP(d)
  • Tries
    • Try
      • R(D);CHECK,XP(a)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(D);CHECK
      • Vars
        • K(b);P_SPINP(a),S_FLIGHT::QAR1(F),XP(a)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(b);P_SPINP(a),S_FLIGHT::QAR1(F),XP(a)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT::QAR2(F)
      • Refutation
        • K(b);S_FLIGHT,XR(D)
  • Actual
    • R(D);XP(d)
    • Vars
      • K(b);P_SPINP(a),S_FLIGHT::QAR1(F),XP(a)
      • K(b);S_FLIGHT::QAR1(F),XP(c)
      • P(a);SBLOCK::QAR1(F),XP(c)
      • P(a);SBLOCK::QAB(F),XP(e)
      • P(c);P_PINS(B),SBLOCK::QAR1(F),XP(a)
      • P(c);SBLOCK::QAB(F)
      • P(c);SBLOCK::QAR1(F),XP(a)
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