MESON Chess Problem Database

Problem Display
PID: 50531 (8/8/2p5/Q1P5/NnR5/5p2/2PN1P2/1Bk1K2R w K - 0 1)

Gruber, Bratoljub

Mat Plus, 1995

8/8/2p5/Q1P5/NnR5/5p2/2PN1P2/1Bk1K2R

#2

10 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Sa2
      • 2.0-0#
    • 1...Sxc2+
      • 2.Rxc2#
    • 1...Sd3+
      • 2.cxd3#
    • 1...Sd5
      • 2.0-0#
    • 1...Sa6
      • 2.0-0#
  • Tries
    • 1.Sb2?
      • 1...Sxc2+
        • 2.Rxc2#
      • 1...Sd3+
        • 2.Sxd3#
      • 1...Sa2
        • 2.Sd3#
      • 1...Sd5
        • 2.Sd3#
      • 1...Sa6
        • 2.Sd3#
      • 1...Kxb2!
    • 1.Ba2?
      • threat
        • 2.Sb3#
      • 1...Sd3+
        • 2.cxd3#
      • 1...Sxa2
        • 2.0-0#
      • 1...Sxc2+!
    • 1.Qd8?
      • threat
        • 2.0-0#
      • 1...Sxc2+
        • 2.Rxc2#
      • 1...Sd3+
        • 2.cxd3#
      • 1...Sd5!
    • 1.Qb5?
      • 1...Sxc2+
        • 2.Rxc2#
      • 1...Sd3+
        • 2.cxd3#
      • 1...Sd5
        • 2.Qb2#
      • 1...Sa2
        • 2.Qb2#
      • 1...Sa6
        • 2.Qb2#
      • 1...cxb5!
  • Keys
    • 1.Qb6!
      • 1...Sxc2+
        • 2.Rxc2#
      • 1...Sd3+
        • 2.cxd3#
      • 1...Sa2
        • 2.Qb2#
      • 1...Sd5
        • 2.Qb2#
      • 1...Sa6
        • 2.Qb2#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 3
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(c);::0-0
    • S(c);CHECK,OGATE,P_SPINS(c),XP(D)::R1(H),XS(c)
    • S(c);CHECK,OGATE::R(H)+P(D),XS(c)
  • Tries
    • Try
      • S(G);
      • Vars
        • S(c);CHECK,OGATE,P_SPINS(c),XP(D)::R1(H),XS(c)
        • S(c);CHECK,N_GUARD::S(G),XS(c)
        • S(c);N_GUARD::S(G)
      • Refutation
        • K(a);S_FLIGHT,XS(G)
    • Try
      • B(A);
      • Threat
        • S(E)
      • Vars
        • S(c);CHECK,OGATE::R(H)+P(D),XS(c)
        • S(c);XB(A)::0-0
      • Refutation
        • S(c);CHECK,P_SPINS(c),XP(D)
    • Try
      • Q(I);
      • Threat
        • 0-0
      • Vars
        • S(c);CHECK,OGATE,P_SPINS(c),XP(D)::R1(H),XS(c)
        • S(c);CHECK,OGATE::R(H)+P(D),XS(c)
      • Refutation
        • S(c);
    • Try
      • Q(I);
      • Vars
        • S(c);CHECK,OGATE,P_SPINS(c),XP(D)::R1(H),XS(c)
        • S(c);CHECK,OGATE::R(H)+P(D),XS(c)
        • S(c);OGATE::QAB1(I)
      • Refutation
        • P(d);XQ(I)
  • Actual
    • Q(I);
    • Vars
      • S(c);CHECK,OGATE,P_SPINS(c),XP(D)::R1(H),XS(c)
      • S(c);CHECK,OGATE::R(H)+P(D),XS(c)
      • S(c);OGATE::QAB1(I)
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