MESON Chess Problem Database

Problem Display
PID: 134559 (8/2p2RP1/6N1/p1PkP3/P5nR/5p1Q/2N1pBpn/1B2Kbrr w - - 0 1)

Marjanovic, Dragoslav

Mat Plus, 2008

8/2p2RP1/6N1/p1PkP3/P5nR/5p1Q/2N1pBpn/1B2Kbrr

#2

12 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Sb4#
    • 1...Ke6
      • 2.Ba2#
    • 1...Sxe5
      • 2.Se7#
    • 1...Sh6
      • 2.Qd7#
  • Tries
    • 1.Qxg4?
      • threat
        • 2.Qd7#
      • 1...Kc6
        • 2.Qe4#
      • 1...Sxg4!
    • 1.Qxf3+?
      • 1...Kc4
        • 2.Ba2#
        • 2.Rf4#
      • 1...Ke6
        • 2.Sd4#
        • 2.Ba2#
        • 2.Re7#
        • 2.Qb3#
      • 1...Sxf3+!
    • 1.g8B?
      • 1...Kc4
        • 2.Rxf3#
      • 1...Ke4
        • 2.Sb4#
      • 1...Ke6
        • 2.Ba2#
      • 1...Sxf2
        • 2.Rxc7#
      • 1...Sxe5
        • 2.Se7#
      • 1...Se3
        • 2.Rxc7#
      • 1...Sf6
        • 2.Rxf6#
      • 1...Sh6
        • 2.Qd7#
      • 1...c6
        • 2.Rf4#
      • 1...Kc6!
  • Keys
    • 1.g8Q!
      • 1...Kc4
        • 2.Rxf3#
      • 1...Ke4
        • 2.Sb4#
      • 1...Kc6
        • 2.Qa8#
      • 1...Ke6
        • 2.Ba2#
      • 1...Sxf2
        • 2.Rxc7#
      • 1...Sxe5
        • 2.Se7#
      • 1...Se3
        • 2.Rxc7#
      • 1...Sf6
        • 2.Rxf6#
      • 1...Sh6
        • 2.Qd7#
      • 1...c6
        • 2.Rf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(j);P_SPINS(h),S_FLIGHT::B(A)+S(C)
    • K(j);P_SPINS(h),S_FLIGHT::B(A)
    • S(h);SBLOCK,XP(I)::S(J)
    • S(h);OGATE::QAR2(E)
  • Tries
    • Try
      • Q(E);XS(h)
      • Threat
        • QAR2(E)
      • Vars
        • K(j);S_FLIGHT::QAB(E)
      • Refutation
        • S(f);XQ(E)
    • Try
      • Q(E);CHECK,XP(g)
      • Refutation
        • S(f);CHECK,XQ(E)
    • Try
      • P(L);
      • Vars
        • K(j);P_SPINS(h),S_FLIGHT::B(L)+R(K),XP(g)
        • K(j);P_SPINS(h),S_FLIGHT::B(A)+S(C)
        • K(j);P_SPINS(h),S_FLIGHT::B(A)
        • S(h);XB(D)::B(L)+R(K),XP(k)
        • S(h);SBLOCK,XP(I)::S(J)
        • S(h);::B(L)+R(K),XP(k)
        • S(h);::B(L)+R(K),XS(h)
        • S(h);OGATE::QAR2(E)
        • P(k);SBLOCK::B(L)+R(K)
      • Refutation
        • K(j);S_FLIGHT
  • Actual
    • P(L);
    • Vars
      • K(j);P_SPINS(h),S_FLIGHT::QAB(L)+R(K),XP(g)
      • K(j);P_SPINS(h),S_FLIGHT::B(A)+S(C)
      • K(j);S_FLIGHT::QAB(L)
      • K(j);P_SPINS(h),S_FLIGHT::B(A)
      • S(h);XB(D)::QAB(L)+R(K),XP(k)
      • S(h);SBLOCK,XP(I)::S(J)
      • S(h);::QAB(L)+R(K),XP(k)
      • S(h);::QAB(L)+R(K),XS(h)
      • S(h);OGATE::QAR2(E)
      • P(k);SBLOCK::QAB(L)+R(K)
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