MESON Chess Problem Database

Problem Display
PID: 245596 (nR2B3/4N3/1b6/1N4B1/1Pk2q1Q/P1p1RPp1/bPP1n1K1/8 w - - 0 1)

Slesarenko, Anatoly Vasilevich

SuperProblem, 2019

nR2B3/4N3/1b6/1N4B1/1Pk2q1Q/P1p1RPp1/bPP1n1K1/8

#2

13 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qd4
      • 2.Sd6#
    • 1...Bb1
      • 2.b3#
    • 1...Bxe3
      • 2.Bf7#
    • 1...Ba5
      • 2.Bf7#
    • 1...Bc5
      • 2.Bf7#
    • 1...Ba7
      • 2.Bf7#
    • 1...Bc7
      • 2.Bf7#
    • 1...Bd8
      • 2.Bf7#
    • 1...Sc1
      • 2.Rxc3#
    • 1...Sg1
      • 2.Rxc3#
    • 1...Sd4
      • 2.Rxc3#
  • Tries
    • 1.Rd3?
      • threat
        • 2.Sd6#
      • 1...Bc5
        • 2.Bf7#
      • 1...Bc7
        • 2.Bf7#
      • 1...Sd4
        • 2.Rxc3#
      • 1...Bd4!
    • 1.Re5?
      • threat
        • 2.Bf7#
      • 1...Bd4
        • 2.Sd6#
      • 1...Sd4
        • 2.Sd6#
      • 1...Sc7!
    • 1.Qxf4+?
      • 1...Bd4
        • 2.Sd6#
        • 2.Bf7#
        • 2.Qf7#
      • 1...Sd4
        • 2.Sd6#
        • 2.Rxc3#
      • 1...Sxf4+!
  • Keys
    • 1.Bf6!
      • threat
        • 2.Sd6#
      • 1...Bd4
        • 2.Bf7#
      • 1...Bc5
        • 2.Bf7#
      • 1...Bc7
        • 2.Bf7#
      • 1...Sd4
        • 2.Rxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • Q(f);::S(I)
    • B(a);N_GUARD::P(A)
    • B(g);XR(E)::B(M)
    • B(g);::B(M)
    • S(b);N_GUARD::R1(E),XP(c)
    • S(b);N_GUARD,N_SPINQ(f)::R1(E),XP(c)
  • Tries
    • Try
      • R(E);
      • Threat
        • S(I)
      • Vars
        • B(g);::B(M)
        • S(b);N_GUARD,N_SPINQ(f)::R1(E),XP(c)
      • Refutation
        • B(g);N_SPINQ(f)
    • Try
      • R(E);
      • Threat
        • B(M)
      • Vars
        • B(g);N_SPINQ(f),SBLOCK::S(I)
        • S(b);N_SPINQ(f),SBLOCK::S(I)
      • Refutation
        • S(h);
    • Try
      • Q(H);CHECK,XQ(f)
      • Refutation
        • S(b);CHECK,XQ(H)
  • Actual
    • B(J);
    • Threat
      • S(I)
    • Vars
      • B(g);N_SPINQ(f)::B(M)
      • B(g);::B(M)
      • S(b);N_GUARD,N_SPINQ(f)::R1(E),XP(c)
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