MESON Chess Problem Database

Problem Display
PID: 59573 (2b2R2/5n2/4p3/2N2pPQ/3B1kB1/K4p2/3P1r1P/5R1n w - - 0 1)

Reeves, Alfred Christopher

Rice, John Michael

Prize, Shedey JT, 2004

2b2R2/5n2/4p3/2N2pPQ/3B1kB1/K4p2/3P1r1P/5R1n

#2

10 + 8

56 The Problemist 2005
136 Problem Observer 2006
15323 FIDE Album (2004-2006) 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd2
      • 2.Rxf3#
    • 1...Re2
      • 2.Rxf3#
    • 1...Rg2
      • 2.Rxf3#
    • 1...Rxh2
      • 2.Rxf3#
    • 1...Se5
      • 2.Be3#
    • 1...fxg4
      • 2.Rxf7#
    • 1...e5
      • 2.Be3#
  • Tries
    • 1.Bxf3?
      • threat
        • 2.Sd3#
      • 1...Rxf3+
        • 2.Rxf3#
      • 1...Rxd2
        • 2.Qh4#
      • 1...Ba6
        • 2.Sxe6#
      • 1...Se5
        • 2.Be3#
      • 1...Rxh2!
    • 1.Bh3?
      • threat
        • 2.Qh4#
      • 1...Rg2
        • 2.Rxf3#
      • 1...Se5
        • 2.Be3#
      • 1...Sh6!
    • 1.Qh4?
      • threat
        • 2.Bh3#
        • 2.Bh5#
      • 1...Rxh2
        • 2.Bh3#
        • 2.Rxf3#
      • 1...fxg4
        • 2.Rxf7#
      • 1...Rg2
        • 2.Rxf3#
      • 1...Se5
        • 2.Be3#
      • 1...Sh6!
  • Keys
    • 1.Bxf5!
      • threat
        • 2.Qg4#
      • 1...Kxf5
        • 2.Rxf7#
      • 1...exf5
        • 2.Qh4#
      • 1...Rg2
        • 2.Rxf3#
      • 1...Se5
        • 2.Be3#
      • 1...Sh6
        • 2.Sd3#

There are these versions: 59574

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • R(b);OGATE,P_SPINP(c),XP(B)::R1(A),XP(c)
    • R(b);OGATE,P_SPINP(c)::R1(A),XP(c)
    • R(b);OGATE,P_SPINP(c),XP(C)::R1(A),XP(c)
    • S(g);P_SPINP(e),SBLOCK::B(E)
    • P(e);OGATEB,P_SPINS(g),XB(F)::R(J),XS(g)
    • P(f);SBLOCK::B(E)
  • Tries
    • Try
      • B(F);XP(c)
      • Threat
        • S(G)
      • Vars
        • R(b);CHECK,OGATE,P_SPINR(b),XB(F)::R1(A),XR(b)
        • R(b);XP(B)::QAR2(I)
        • B(h);N_GUARD::S(G),XP(f)
        • S(g);P_SPINP(e),SBLOCK::B(E)
      • Refutation
        • R(b);XP(C)
    • Try
      • B(F);
      • Threat
        • QAR2(I)
      • Vars
        • R(b);OGATE,P_SPINP(c)::R1(A),XP(c)
        • S(g);P_SPINP(e),SBLOCK::B(E)
      • Refutation
        • S(g);P_SPINP(e)
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Vars
        • P(e);OGATEB,P_SPINP(e),P_SPINS(g),XB(F)::R(J),XS(g)
        • R(b);OGATE,P_SPINP(c)::R1(A),XP(c)
        • S(g);P_SPINP(e),SBLOCK::B(E)
      • Refutation
        • S(g);P_SPINP(e)
  • Actual
    • B(F);XP(e)
    • Threat
      • QAR1(I)
    • Vars
      • K(d);OGATEB,P-FLIGHT,P_SPINS(g),XB(F)::R(J),XS(g)
      • P(f);SBLOCK,XB(F)::QAR2(I)
      • R(b);OGATE,P_SPINP(c)::R1(A),XP(c)
      • S(g);SBLOCK::B(E)
      • S(g);::S(G)
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