MESON Chess Problem Database

Problem Display
PID: 139244 (2Q5/p1K2ppq/2p5/r7/1N2kBp1/p7/2N3P1/1b3R2 w - - 0 1)

Marin y Llovet, Valentin

Deutsche Schachzeitung, 1911

2Q5/p1K2ppq/2p5/r7/1N2kBp1/p7/2N3P1/1b3R2

#2

7 + 10

56 The Problemist 1937

SOLUTION

  • SOUND
  • Tries
    • 1.Qe6+?
      • 1...Re5
        • 2.Qxe5#
      • 1...fxe6!
    • 1.Qe8+?
      • 1...Re5
        • 2.Qxe5#
      • 1...Kf5!
  • Keys
    • 1.Be5!
      • threat
        • 2.Re1#
      • 1...Kxe5
        • 2.Qe8#
      • 1...Rxe5
        • 2.Qxg4#
      • 1...Qh1
        • 2.Qf5#
      • 1...Qh3
        • 2.Qf5#
      • 1...Qh4
        • 2.Qf5#
      • 1...Qh6
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • R(e);N_GUARD,P_SPINR(e)::QAR1(G),XR(e)
      • Refutation
        • P(h);XQ(G)
    • Try
      • Q(G);CHECK
      • Vars
        • R(e);N_GUARD,P_SPINR(e)::QAR1(G),XR(e)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • B(E);
    • Threat
      • R(A)
    • Vars
      • K(c);OGATEB,P-FLIGHT,XB(E)::QAR(G)
      • R(e);SBLOCK,XB(E)::QAR2(G),XP(d)
      • Q(j);N_GUARD::QAB1(G)
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