MESON Chess Problem Database

Problem Display
PID: 86830 (6B1/3N4/2Kp4/1pp5/1BR2p2/2Pk1n1R/3n1Qpp/N4brr w - - 0 1)

Slesarenko, Anatoly Vasilevich

Magyar Sakkelet, 1986

6B1/3N4/2Kp4/1pp5/1BR2p2/2Pk1n1R/3n1Qpp/N4brr

#2

9 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sb1
      • 2.Rxf3#
    • 1...Sb3
      • 2.Rxf3#
    • 1...Sxc4
      • 2.Bh7#
    • 1...Se4
      • 2.Rxf3#
    • 1...d5
      • 2.Se5#
  • Tries
    • 1.Bh7+?
      • 1...Kxc4
        • 2.Sb6#
      • 1...Se4!
    • 1.Rxc5?
      • 1...Ke4
        • 2.Bh7#
      • 1...dxc5
        • 2.Sxc5#
      • 1...Be2
        • 2.Qd4#
      • 1...Sb1
        • 2.Bh7#
      • 1...Sb3
        • 2.Bh7#
      • 1...Sc4
        • 2.Bh7#
      • 1...Se4
        • 2.Rxf3#
      • 1...d5!
  • Keys
    • 1.Re4!
      • 1...Kxe4
        • 2.Bh7#
      • 1...Sxe4
        • 2.Rxf3#
      • 1...cxb4
        • 2.Qd4#
      • 1...Be2
        • 2.Qxe2#
      • 1...Sb1
        • 2.Qc2#
      • 1...Sb3
        • 2.Qc2#
      • 1...Sc4
        • 2.Qc2#
      • 1...c4
        • 2.Rd4#
        • 2.Qd4#
      • 1...d5
        • 2.Sxc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 4
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(d);N_GUARD::R(D),XS(h)
    • S(d);N_GUARD,SBLOCK,XR(F)::B(I)
    • P(l);N_GUARD::S(H)
  • Tries
    • Try
      • B(I);CHECK
      • Vars
        • K(g);N_SPINS(h),S_FLIGHT,XR(F)::S(H)
      • Refutation
        • S(d);
    • Try
      • R(F);XP(k)
      • Vars
        • K(g);N_SPINS(h),S_FLIGHT::B(I)
        • P(l);XR(F)::S(H),XP(l)
        • B(a);SBLOCK::QAR1(B)
        • S(d);N_GUARD::B(I)
        • S(d);N_GUARD,SBLOCK::R(D),XS(h)
      • Refutation
        • P(l);
  • Actual
    • R(F);
    • Vars
      • K(g);N_SPINS(h),OGATEB,S_FLIGHT,XR(F)::B(I)
      • S(d);N_GUARD,SBLOCK,XR(F)::R(D),XS(h)
      • P(k);N_GUARD,XB(E)::QAR1(B)
      • B(a);N_GUARD::QAB1(B),XB(a)
      • S(d);OGATE::QAB1(B)
      • P(l);N_GUARD::S(H),XP(k)
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