MESON Chess Problem Database

Problem Display
PID: 270626 (1B6/p1np1p2/B1p1b3/2pk4/1RNp2p1/2PQ4/2KN1pq1/8 w - - 0 1)

Ouellet, Charles

The Problemist, 2023

1B6/p1np1p2/B1p1b3/2pk4/1RNp2p1/2PQ4/2KN1pq1/8

#2

8 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Qf1
      • 2.Qe4#
    • 1...Qh3
      • 2.Qe4#
    • 1...Qe4
      • 2.Qxe4#
    • 1...Qg1
      • 2.Qe4#
    • 1...Qh2
      • 2.Qe4#
    • 1...Qg3
      • 2.Qe4#
    • 1...Bf5
      • 2.Qxf5#
    • 1...Sb5
      • 2.Se3#
    • 1...Sxa6
      • 2.Se3#
    • 1...Sa8
      • 2.Se3#
    • 1...Se8
      • 2.Se3#
    • 1...cxb4
      • 2.Qxd4#
  • Keys
    • 1.Rb5!
      • threat
        • 2.Qxd4#
      • 1...Sxb5
        • 2.Se3#
      • 1...cxb5
        • 2.Bb7#
      • 1...Bf5
        • 2.Qxf5#
      • 1...Qe4
        • 2.Qxe4#

This is after

After Miroslav Svitek.

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 9
  • Sets
    • Q(b);N_GUARD::QAB1(D)
    • Q(b);N_GUARD,P_PINQ(D)::QAB1(D),XQ(b)
    • B(h);N_GUARD,P_PINQ(D)::QAR2(D),XB(h)
    • S(j);::S(F)
    • S(j);XB(G)::S(F)
    • P(e);N_GUARD,XR(E)::QAR1(D),XP(c)
  • Actual
    • R(E);
    • Threat
      • QAR1(D),XP(c)
    • Vars
      • S(j);XR(E)::S(F)
      • P(g);OGATEB,XR(E)::B(G)
      • B(h);N_GUARD,P_PINQ(D)::QAR2(D),XB(h)
      • Q(b);N_GUARD,P_PINQ(D)::QAB1(D),XQ(b)
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