MESON Chess Problem Database

Problem Display
PID: 208924 (3R1N2/n7/K4R2/2k2p1b/7p/1pPBn1r1/P1p4Q/8 w - - 0 1)

Grinblat, Arieh

Sachova skladba, 2015

3R1N2/n7/K4R2/2k2p1b/7p/1pPBn1r1/P1p4Q/8

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Qd6#
    • 1...Rg2
      • 2.Qd6#
    • 1...Rf3
      • 2.Qd6#
    • 1...Rh3
      • 2.Qd6#
    • 1...Rg4
      • 2.Qd6#
    • 1...Rg5
      • 2.Qd6#
    • 1...Rg6
      • 2.Qd6#
    • 1...Rg7
      • 2.Qd6#
    • 1...Rg8
      • 2.Qd6#
    • 1...Sd5
      • 2.Sd7#
    • 1...Sc6
      • 2.Se6#
  • Tries
    • 1.Rc6+?
      • 1...Sxc6
        • 2.Se6#
      • 1...Kxc6!
    • 1.Rfd6?
      • threat
        • 2.Se6#
      • 1...Rg6
        • 2.Sd7#
      • 1...Bf7!
    • 1.Rd4?
      • threat
        • 2.Sd7#
      • 1...Rg7
        • 2.Qd6#
      • 1...Be8!
    • 1.Rd5+?
      • 1...Sxd5
        • 2.Sd7#
      • 1...Kxd5!
    • 1.Rdd6?
      • threat
        • 2.Sd7#
      • 1...Rg7
        • 2.Se6#
      • 1...Be8!
  • Keys
    • 1.axb3!
      • threat
        • 2.b4#
      • 1...Rg4
        • 2.Qd6#
      • 1...Sd5
        • 2.Sd7#
      • 1...Sc6
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 8
  • Sets
    • R(d);OGATE::QAB1(B)
    • R(d);OGATE,P_PINR(F)::QAB1(B)
    • S(c);SBLOCK::S(H)
    • S(i);SBLOCK::S(H)
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • S(i);SBLOCK,XR(F)::S(H)
      • Refutation
        • K(f);P-FLIGHT,XR(F)
    • Try
      • R(F);
      • Threat
        • S(H)
      • Vars
        • R(d);P_PINR(F)::S(H)
      • Refutation
        • B(h);
    • Try
      • R(G);
      • Threat
        • S(H)
      • Vars
        • R(d);OGATE::QAB1(B)
      • Refutation
        • B(h);
    • Try
      • R(G);CHECK
      • Vars
        • S(c);SBLOCK,XR(G)::S(H)
      • Refutation
        • K(f);P-FLIGHT,XR(G)
    • Try
      • R(G);
      • Threat
        • S(H)
      • Vars
        • R(d);::S(H)
      • Refutation
        • B(h);
  • Actual
    • P(A);XP(b)
    • Threat
      • P(A)
    • Vars
      • R(d);OGATE::QAB1(B)
      • S(c);SBLOCK::S(H)
      • S(i);SBLOCK::S(H)
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