MESON Chess Problem Database

Problem Display
PID: 265832 (2b1KN2/b2p3p/Rn2B3/2Bpkp1N/1pp1PRPP/2P1pp2/3n4/3r4 w - - 0 1)

Guida, Marco

Svitek, Miroslav

StrateGems, 2022

2b1KN2/b2p3p/Rn2B3/2Bpkp1N/1pp1PRPP/2P1pp2/3n4/3r4

#2

11 + 14

SOLUTION

  • SOUND
  • Sets
    • 1...Sxe4
      • 2.Rxf5#
    • 1...Sa4
      • 2.Bd6#
    • 1...Sa8
      • 2.Bd6#
    • 1...dxe4
      • 2.Rxf5#
    • 1...d4
      • 2.cxd4#
    • 1...fxe4
      • 2.Rf5#
    • 1...d6
      • 2.Bd4#
  • Tries
    • 1.Ke7?
      • threat
        • 2.Bd4#
        • 2.Bd6#
      • 1...Sxe4
        • 2.Rxf5#
      • 1...Bb8
        • 2.Bd4#
      • 1...Sb1
        • 2.Bd6#
      • 1...Sf1
        • 2.Bd6#
      • 1...Sb3
        • 2.Bd6#
      • 1...Sa4
        • 2.Bd6#
      • 1...Sa8
        • 2.Bd6#
      • 1...d4
        • 2.Bxd4#
        • 2.Bd6#
        • 2.cxd4#
      • 1...d6
        • 2.Bd4#
        • 2.Bxd6#
      • 1...bxc3!
    • 1.Sf6?
      • threat
        • 2.Rxf5#
      • 1...Kxf4
        • 2.Bd6#
      • 1...Kxf6
        • 2.Bd4#
      • 1...fxe4
        • 2.Rf5#
      • 1...fxg4
        • 2.Rf5#
      • 1...dxe6!
    • 1.Sg6+?
      • 1...Kxe6
        • 2.exf5#
        • 2.gxf5#
      • 1...hxg6!
  • Keys
    • 1.Bxd5!
      • threat
        • 2.Rxf5#
      • 1...Sxd5
        • 2.Bd6#
      • 1...fxe4
        • 2.Rf5#
      • 1...fxg4
        • 2.Rf5#
      • 1...d6
        • 2.Bd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • S(b);SBLOCK,XP(B)::R1(C),XP(i)
    • S(j);::B(F)
    • P(g);SBLOCK,XP(B)::R1(C),XP(i)
    • P(g);OGATE::P(A),XP(g)
    • P(i);SBLOCK,XP(B)::R1(C)
    • P(l);SBLOCK::B(F)
  • Tries
    • Try
      • K(J);P-FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • S(b);SBLOCK,XP(B)::R1(C),XP(i)
        • B(k);::B(F)
        • S(b);::B(F)
        • S(j);::B(F)
      • Refutation
        • P(e);XP(A)
    • Try
      • S(G);
      • Threat
        • R1(C),XP(i)
      • Vars
        • K(h);N_GUARD,S_FLIGHT,XR(C)::B(F)
        • K(h);N_GUARD,P_SPINP(i),S_FLIGHT,XS(G)::B(F)
        • P(i);XP(B)::R1(C)
        • P(i);XP(D)::R1(C)
      • Refutation
        • P(l);XB(I)
    • Try
      • S(K);CHECK
      • Refutation
        • P(m);XS(K)
  • Actual
    • B(I);XP(g)
    • Threat
      • R1(C),XP(i)
    • Vars
      • S(j);XB(I)::B(F)
      • P(i);XP(B)::R1(C)
      • P(i);XP(D)::R1(C)
      • P(l);SBLOCK::B(F)
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