MESON Chess Problem Database

Problem Display
PID: 61710 (1K6/1p2Q2b/8/3BR3/pN1k4/q1n1R1nr/1N5r/8 w - - 0 1)

Paslack, Rainer

Die Schwalbe, 2005

1K6/1p2Q2b/8/3BR3/pN1k4/q1n1R1nr/1N5r/8

#2

7 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qxb4
      • 2.Qxb4#
    • 1...Bd3
      • 2.Rxd3#
    • 1...Bg8
      • 2.Rd3#
    • 1...Sxd5
      • 2.Rxd5#
    • 1...b5
      • 2.Sc6#
      • 2.Qa7#
    • 1...b6
      • 2.Sc6#
  • Tries
    • 1.Bb3?
      • threat
        • 2.Qc5#
      • 1...Qxb4
        • 2.Qxb4#
      • 1...Sce4
        • 2.Rd3#
      • 1...Sd5
        • 2.Rxd5#
      • 1...b6
        • 2.Sc6#
      • 1...Sge4!
    • 1.Bf3?
      • threat
        • 2.Qc5#
      • 1...Qxb4
        • 2.Qxb4#
      • 1...Sge4
        • 2.Rd3#
      • 1...Sd5
        • 2.Rxd5#
      • 1...b6
        • 2.Sc6#
      • 1...Sce4!
  • Keys
    • 1.Bg2!
      • threat
        • 2.Qc5#
      • 1...Qxb4
        • 2.Qxb4#
      • 1...Sce4
        • 2.Sc2#
      • 1...Sge4
        • 2.Sc2#
      • 1...Sd5
        • 2.Rxd5#
      • 1...b6
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • Q(b);OGATE,XS(C)::QAR2(F),XQ(b)
    • B(i);N_GUARD::R1(B),XB(i)
    • B(i);N_GUARD::R1(B)
    • S(c);OGATE,XB(D)::R1(E),XS(c)
    • P(h);N_GUARD::S(C)
  • Tries
    • Try
      • B(D);
      • Threat
        • QAB1(F)
      • Vars
        • Q(b);OGATE,XS(C)::QAR2(F),XQ(b)
        • S(c);S_CUTB(i)::R1(B)
        • S(c);N_GUARD::R1(E),XS(c)
        • P(h);N_GUARD::S(C)
      • Refutation
        • S(d);
    • Try
      • B(D);
      • Threat
        • QAB1(F)
      • Vars
        • Q(b);OGATE,XS(C)::QAR2(F),XQ(b)
        • S(d);S_CUTB(i)::R1(B)
        • S(c);N_GUARD::R1(E),XS(c)
        • P(h);N_GUARD::S(C)
      • Refutation
        • S(c);
  • Actual
    • B(D);
    • Threat
      • QAB1(F)
    • Vars
      • Q(b);OGATE,XS(C)::QAR2(F),XQ(b)
      • S(c);S_CUTB(i)::S(C)
      • S(d);S_CUTB(i)::S(C)
      • S(c);N_GUARD::R1(E),XS(c)
      • P(h);N_GUARD::S(C)
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