MESON Chess Problem Database

Problem Display
PID: 236578 (n7/Q2bnB2/2pk2N1/1p4K1/3P2N1/6p1/8/4r3 w - - 0 1)

Paslack, Rainer

Rochade Europa, 2000

n7/Q2bnB2/2pk2N1/1p4K1/3P2N1/6p1/8/4r3

#2

6 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Re5+
      • 2.dxe5#
    • 1...Sb6
      • 2.Qb8#
    • 1...Sc7
      • 2.Qc5#
    • 1...c5
      • 2.Qxc5#
  • Tries
    • 1.S4e5?
      • threat
        • 2.Qxd7#
      • 1...Rxe5+
        • 2.dxe5#
      • 1...Bh3
        • 2.Qxe7#
      • 1...Bg4
        • 2.Qxe7#
      • 1...Bf5
        • 2.Qxe7#
      • 1...Bc8
        • 2.Qxe7#
      • 1...Be8
        • 2.Qxe7#
      • 1...Sb6
        • 2.Qb8#
      • 1...Sc7
        • 2.Qc5#
      • 1...Be6!
  • Keys
    • 1.Sf6!
      • threat
        • 2.Qxd7#
      • 1...Re5+
        • 2.dxe5#
      • 1...Bh3
        • 2.Se8#
      • 1...Bg4
        • 2.Se8#
      • 1...Bf5
        • 2.Se8#
      • 1...Be6
        • 2.Qxe7#
      • 1...Bc8
        • 2.Se8#
      • 1...Be8
        • 2.Sxe8#
      • 1...Sb6
        • 2.Qb8#
      • 1...Sc7
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • R(a);CHECK,OGATE::P(A),XR(a)
    • S(h);N_GUARD::QAB(E)
    • S(h);SBLOCK::QAB1(E)
    • P(d);::QAB1(E),XP(d)
  • Tries
    • Try
      • S(B);
      • Threat
        • QAR1(E),XB(f)
      • Vars
        • R(a);CHECK,OGATE,XS(B)::P(A),XR(a)
        • B(f);OGATE::QAB1(E),XS(g)
        • S(h);N_GUARD::QAB(E)
        • S(h);SBLOCK::QAB1(E)
      • Refutation
        • B(f);
  • Actual
    • S(B);
    • Threat
      • QAR1(E),XB(f)
    • Vars
      • R(a);CHECK,OGATE::P(A),XR(a)
      • B(f);N_GUARD::S(B)
      • B(f);OGATE::QAB1(E),XS(g)
      • B(f);N_GUARD::S(B),XB(f)
      • S(h);N_GUARD::QAB(E)
      • S(h);SBLOCK::QAB1(E)
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