MESON Chess Problem Database

Problem Display
PID: 56261 (1b2BN2/1r4p1/r7/4Bk1N/4nP1p/p4p1P/KpR5/1Q2R1q1 w - - 0 1)

Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)

StrateGems, 2004

1b2BN2/1r4p1/r7/4Bk1N/4nP1p/p4p1P/KpR5/1Q2R1q1

#2

10 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Sd2
      • 2.Rxd2#
    • 1...Sf2
      • 2.Rxf2#
    • 1...Sc3+
      • 2.Rxc3#
    • 1...Sc5
      • 2.Rxc5#
  • Tries
    • 1.Bd7+?
      • 1...Re6
        • 2.Bxe6#
      • 1...Rxd7!
    • 1.Rc6?
      • threat
        • 2.Qxe4#
      • 1...Qxe1
        • 2.Bg6#
      • 1...Qe3
        • 2.Bg6#
      • 1...Qd4
        • 2.Bg6#
      • 1...Rb4
        • 2.Bd7#
      • 1...Ra4!
    • 1.Rc7?
      • threat
        • 2.Qxe4#
      • 1...Qxe1
        • 2.Sxg7#
      • 1...Qe3
        • 2.Sxg7#
      • 1...Qd4
        • 2.Sxg7#
      • 1...Ra4
        • 2.Bd7#
      • 1...Rb4!
  • Keys
    • 1.Rg2!
      • threat
        • 2.Qxe4#
      • 1...Qxe1
        • 2.Rg5#
      • 1...Qe3
        • 2.Rg5#
      • 1...Qd4
        • 2.Rg5#
      • 1...Ra4
        • 2.Bg6#
      • 1...Rb4
        • 2.Sxg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • S(e);OGATEB::QAB(A)+R(D),XS(e)
    • S(e);CHECK,OGATEB::QAB(A)+R(D),XS(e)
  • Tries
    • Try
      • B(I);CHECK
      • Vars
        • R(h);N_GUARD,P_SPINR(h)::B(I),XR(h)
      • Refutation
        • R(i);XB(I)
    • Try
      • R(D);P_PINS(e)
      • Threat
        • QAB1(A),XS(e)
      • Vars
        • Q(a);N_GUARD,XR(B)::B(I)
        • Q(a);N_GUARD::B(I)
        • R(i);N_GUARD::B(I)
      • Refutation
        • R(h);
    • Try
      • R(D);P_PINS(e)
      • Threat
        • QAB1(A),XS(e)
      • Vars
        • Q(a);N_GUARD,XR(B)::S(H),XP(j)
        • Q(a);N_GUARD::S(H),XP(j)
        • R(h);N_GUARD::B(I)
      • Refutation
        • R(i);
  • Actual
    • R(D);P_PINS(e)
    • Threat
      • QAB1(A),XS(e)
    • Vars
      • Q(a);N_GUARD,XR(B)::R1(D)
      • Q(a);N_GUARD::R1(D)
      • R(h);N_GUARD::B(I)
      • R(i);N_GUARD::S(H),XP(j)
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