MESON Chess Problem Database

Problem Display
PID: 86838 (4Qn1q/1p6/p3bppb/3p4/7n/1pP1k1BR/1Pp2N2/2K1NB2 w - - 0 1)

Slesarenko, Anatoly Vasilevich

014. Moscow Championship, 1992

4Qn1q/1p6/p3bppb/3p4/7n/1pP1k1BR/1Pp2N2/2K1NB2

#2

9 + 13

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sf3
      • 2.Sg2#
    • 1...Sh7
      • 2.Qxe6#
  • Tries
    • 1.Bh2+?
      • 1...Sf3
        • 2.Rxf3#
      • 1...Kxf2+!
    • 1.Bd6+?
      • 1...Sf3
        • 2.Rxf3#
      • 1...Kxf2+!
    • 1.Bc7+?
      • 1...Sf3
        • 2.Rxf3#
      • 1...Kxf2+!
    • 1.Bb8+?
      • 1...Sf3
        • 2.Rxf3#
      • 1...Kxf2+!
    • 1.Qb5?
      • threat
        • 2.Qe2#
        • 2.Qd3#
      • 1...Bg4
        • 2.Qd3#
      • 1...Bf5
        • 2.Qe2#
      • 1...axb5!
  • Keys
    • 1.Qa4!
      • threat
        • 2.Qd4#
      • 1...Sf3
        • 2.Sg2#
      • 1...Sf5
        • 2.Sg4#
      • 1...d4
        • 2.Qxd4#
      • 1...f5
        • 2.Bxh4#

This is a version of 37874

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • S(d);N_GUARD,SBLOCK::S(B)
    • S(l);N_GUARD::QAR(I),XB(g)
  • Tries
    • Try
      • B(G);CHECK
      • Vars
        • S(d);N_GUARD,P_SPINS(d)::R1(H),XS(d)
      • Refutation
        • K(c);CHECK,N_SPINB(g),S_FLIGHT,XS(E)
    • Try
      • B(G);CHECK
      • Vars
        • S(d);N_GUARD,P_SPINS(d)::R1(H),XS(d)
      • Refutation
        • K(c);CHECK,N_SPINB(g),S_FLIGHT,XS(E)
    • Try
      • B(G);CHECK
      • Vars
        • S(d);N_GUARD,P_SPINS(d)::R1(H),XS(d)
      • Refutation
        • K(c);CHECK,N_SPINB(g),S_FLIGHT,XS(E)
    • Try
      • B(G);CHECK
      • Vars
        • S(d);N_GUARD,P_SPINS(d)::R1(H),XS(d)
      • Refutation
        • K(c);CHECK,N_SPINB(g),S_FLIGHT,XS(E)
    • Try
      • Q(I);N_PINB(g)
      • Threat
        • DUALS(2)
      • Vars
        • B(g);::QAR1(I)
      • Refutation
        • P(f);XQ(I)
  • Actual
    • Q(I);N_PINB(g)
    • Threat
      • QAB1(I)
    • Vars
      • S(d);N_GUARD,SBLOCK::S(B)
      • S(d);S_CUTB(g)::S(E)
      • P(e);::QAB1(I),XP(e)
      • P(h);S_CUTB(g)::R(H)+B(G),XS(d)
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