MESON Chess Problem Database

Problem Display
PID: 238883 (5K1n/7b/3p1Qp1/3k4/3P2p1/1P1R1nN1/2RN4/5rbB w - - 0 1)

Paslack, Rainer

idee & form, 2006

5K1n/7b/3p1Qp1/3k4/3P2p1/1P1R1nN1/2RN4/5rbB

#2

9 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd4
      • 2.Rxd4#
    • 1...Sf7
      • 2.Qxf7#
  • Tries
    • 1.Ke7?
      • threat
        • 2.Qg5#
        • 2.Qxd6#
        • 2.Qe6#
      • 1...Be3
        • 2.Qxd6#
        • 2.Qe6#
      • 1...Bg8
        • 2.Qg5#
        • 2.Qxd6#
      • 1...Sf7
        • 2.Qe6#
        • 2.Qxf7#
      • 1...g5
        • 2.Qxd6#
        • 2.Qe6#
      • 1...Re1+!
    • 1.Sc4?
      • threat
        • 2.Sb6#
        • 2.Qxd6#
      • 1...Sf7
        • 2.Sb6#
      • 1...Kc6!
    • 1.Sge4?
      • threat
        • 2.Qxd6#
      • 1...Sxd2
        • 2.Sc3#
      • 1...Sxd4
        • 2.Sf2#
      • 1...Se1
        • 2.Sc3#
      • 1...Sh2
        • 2.Sc3#
      • 1...Sh4
        • 2.Sc3#
      • 1...Se5
        • 2.Sc3#
      • 1...Sg5
        • 2.Sc3#
      • 1...Sf7
        • 2.Qxf7#
      • 1...Bh2!
    • 1.Sf5?
      • threat
        • 2.Se7#
        • 2.Qxd6#
      • 1...Re1
        • 2.Qxd6#
      • 1...Bh2
        • 2.Se3#
        • 2.Se7#
      • 1...Sf7
        • 2.Se7#
        • 2.Qxf7#
      • 1...gxf5!
  • Keys
    • 1.Sde4!
      • threat
        • 2.Qxd6#
      • 1...Sxd4
        • 2.Sf2#
      • 1...Se1
        • 2.Sc3#
      • 1...Sd2
        • 2.Sc3#
      • 1...Sh2
        • 2.Sc3#
      • 1...Sh4
        • 2.Sc3#
      • 1...Se5
        • 2.Sc3#
      • 1...Sg5
        • 2.Sc3#
      • 1...Sf7
        • 2.Qxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • B(b);OGATE,P_SPINB(b),XP(G)::R1(E),XB(b)
    • S(i);N_GUARD::QAB(H),XS(i)
  • Tries
    • Try
      • K(I);S_FLIGHT
      • Threat
        • DUALS(3)
      • Refutation
        • R(a);CHECK
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • S(i);::S(C)
      • Refutation
        • K(e);P_SPINP(f),S_FLIGHT
    • Try
      • S(F);N_PINS(c)
      • Threat
        • QAR1(H),XP(f)
      • Vars
        • S(c);P_PINQ(H),XS(C)::B(A)+S(F),DCHECK
        • S(c);P_PINQ(H),P_SPINS(c),XP(G)::B(A)+S(F)
        • S(c);P_PINQ(H)::B(A)+S(F),DCHECK
        • S(i);N_GUARD::QAB(H),XS(i)
      • Refutation
        • B(b);
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);::QAR1(H),XP(f)
      • Refutation
        • P(g);XS(F)
  • Actual
    • S(C);N_PINS(c)
    • Threat
      • QAR1(H),XP(f)
    • Vars
      • S(c);P_PINQ(H),P_SPINS(c),XP(G)::B(A)+S(C)
      • S(c);P_PINQ(H)::B(A)+S(C),DCHECK
      • S(i);N_GUARD::QAB(H),XS(i)
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