MESON Chess Problem Database

Problem Display
PID: 74553 (2Kb4/7B/1p1p2N1/4pPPp/R1P1k1qQ/3p1N2/8/1n3RB1 w - - 0 1)

Vukcevich, Milan Radoje

Chess Life, 1975

2Kb4/7B/1p1p2N1/4pPPp/R1P1k1qQ/3p1N2/8/1n3RB1

#2

11 + 9

5398 My Chess Compositions 2003

SOLUTION

  • SOUND
  • Sets
    • 1...Bxg5
      • 2.Sxg5#
    • 1...Sd2
      • 2.Sxd2#
    • 1...Sa3
      • 2.Sd2#
    • 1...Sc3
      • 2.Sd2#
  • Tries
    • 1.Re1+?
      • 1...Kxf3
        • 2.Qf2#
      • 1...Kxf5!
    • 1.c5+?
      • 1...Kxf5
        • 2.Sf4#
        • 2.Sf8#
      • 1...Kd5!
  • Keys
    • 1.Sf4!
      • threat
        • 2.c5#
      • 1...Qxf5+
        • 2.Se6#
      • 1...Kxf4
        • 2.Sd2#
      • 1...Qxg1
        • 2.Sg2#
      • 1...Qxf4
        • 2.f6#
      • 1...exf4
        • 2.Qe1#
      • 1...Sd2
        • 2.Sxd2#
      • 1...Sa3
        • 2.Sd2#
      • 1...Sc3
        • 2.Sd2#
      • 1...b5
        • 2.cxb5#
      • 1...d5
        • 2.cxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • B(i);XP(H)::S(C),XB(i)
    • S(a);N_GUARD::S(C),XS(a)
    • S(a);N_GUARD::S(C)
  • Tries
    • Try
      • R(A);CHECK
      • Vars
        • K(c);N_SPINQ(d),S_FLIGHT,XS(C)::QAR1(F)
      • Refutation
        • K(c);N_SPINQ(d),S_FLIGHT,XP(G)
    • Try
      • P(E);CHECK
      • Refutation
        • K(c);N_SPINQ(d),S_FLIGHT
  • Actual
    • S(I);N_PINQ(d)
    • Threat
      • R(D)+P(E)
    • Vars
      • Q(d);CHECK,P_SPINQ(d),XP(G)::QAR(F)+S(I)
      • K(c);P-FLIGHT,P_SPINQ(d),XS(I)::R(A)+S(C)
      • Q(d);N_PINP(G),XB(B)::QAR(F)+S(I)
      • Q(d);N_PINP(G),P_SPINQ(d),XS(I)::B(J)+P(G)
      • P(e);SBLOCK,XS(I)::QAR(F)
      • S(a);N_GUARD::S(C),XS(a)
      • S(a);N_GUARD::S(C)
      • P(g);OGATE::R(D)+P(E),XP(g)
      • P(h);OGATE::R(D)+P(E),XP(h)
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