MESON Chess Problem Database

Problem Display
PID: 83876 (8/8/8/4B3/4kP2/nP1pN3/1r1PPK2/Qb1B4 w - - 0 1)

Majoros, Bela

Sakkelet, 1997

8/8/8/4B3/4kP2/nP1pN3/1r1PPK2/Qb1B4

#2

9 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ra2
      • 2.Qd4#
    • 1...Rc2
      • 2.Qd4#
    • 1...Rxd2
      • 2.Qd4#
    • 1...Rxb3
      • 2.Qd4#
    • 1...Sc2
      • 2.Qa8#
    • 1...Sc4
      • 2.Qa8#
    • 1...Sb5
      • 2.Qa8#
  • Tries
    • 1.exd3+?
      • 1...Bxd3
        • 2.Bf3#
      • 1...Kxd3!
  • Keys
    • 1.Bc2!
      • threat
        • 2.exd3#
      • 1...Rxc2
        • 2.Qd4#
      • 1...Rxb3
        • 2.Qd4#
      • 1...Bxc2
        • 2.Qh1#
      • 1...Sxc2
        • 2.Qa8#
      • 1...dxc2
        • 2.d3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • R(b);OGATE::QAR1(A)
    • R(b);OGATE,P_PINP(D),XP(C)::QAR1(A)
    • R(b);OGATE,XP(F)::QAR1(A)
    • S(c);OGATE::QAB(A)
  • Tries
    • Try
      • P(D);CHECK,P_SPINP(C),XP(d)
      • Vars
        • B(a);SBLOCK,XP(D)::B(B)
      • Refutation
        • K(e);S_FLIGHT,XP(D)
  • Actual
    • B(B);P_PINP(d)
    • Threat
      • P(D),XP(d)
    • Vars
      • R(b);N_SPINP(d),OGATE,XB(B)::QAR1(A)
      • R(b);OGATE,XP(F)::QAR1(A)
      • B(a);N_SPINP(d),OGATE,XB(B)::QAB(A)
      • S(c);N_SPINP(d),OGATE,XB(B)::QAB(A)
      • P(d);N_SPINP(d),OGATE,XB(B)::P(C)
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