MESON Chess Problem Database

Problem Display
PID: 106793 (1N1Q3K/1b2p3/1RP5/2k4p/3p1Rn1/3P1N2/4r3/b2n4 w - - 0 1)

Suchodolski, Wlodzimierz

Szachy, 1955

1N1Q3K/1b2p3/1RP5/2k4p/3p1Rn1/3P1N2/4r3/b2n4

#2

8 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rb2
      • 2.Qxd4#
    • 1...Ba6
      • 2.Sxa6#
    • 1...Bxc6
      • 2.Sa6#
    • 1...Ba8
      • 2.Sa6#
    • 1...Sb2
      • 2.Qxd4#
    • 1...Sc3
      • 2.Qxd4#
  • Tries
    • 1.Rxd4?
      • threat
        • 2.Sd7#
      • 1...Bxd4+
        • 2.Qxd4#
      • 1...Bxc6
        • 2.Sa6#
      • 1...Se5
        • 2.Rd5#
      • 1...Sf6
        • 2.Rc4#
      • 1...Bc8!
  • Keys
    • 1.Sxd4!
      • threat
        • 2.Rb5#
      • 1...Bxd4+
        • 2.Qxd4#
      • 1...Bxc6
        • 2.Sa6#
      • 1...Rb2
        • 2.Se6#
      • 1...Ba6
        • 2.Sxa6#
      • 1...Sc3
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(c);S_CUTB(a)::QAB1(G),XP(d)
    • B(h);N_GUARD::S(F),XB(h)
    • B(h);N_GUARD,XP(E)::S(F)
    • B(h);N_GUARD::S(F)
    • S(b);S_CUTB(a)::QAB1(G),XP(d)
  • Tries
    • Try
      • R(C);P_SPINR(C),XP(d)
      • Threat
        • S(F)
      • Vars
        • B(a);CHECK,OGATE,XR(C)::QAB1(G),XB(a)
        • B(h);N_GUARD,XP(E)::S(F)
        • S(e);N_PINR(C)::R1(C)
      • Refutation
        • B(h);
  • Actual
    • S(B);P_SPINS(B),XP(d)
    • Threat
      • R1(D)
    • Vars
      • B(a);CHECK,OGATE,XS(B)::QAB1(G),XB(a)
      • B(h);N_GUARD,XP(E)::S(F)
      • R(c);N_PINS(B)::S(B)
      • B(h);N_GUARD::S(F),XB(h)
      • S(b);N_PINS(B)::S(B)
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