MESON Chess Problem Database

Problem Display
PID: 198231 (1Q2Nb2/r1r2pN1/7p/1RpPkBR1/pP6/P4PP1/1KPP4/B7 w - - 0 1)

Trucchi, Ernesto

L'Italia Scacchistica, 1920

1Q2Nb2/r1r2pN1/7p/1RpPkBR1/pP6/P4PP1/1KPP4/B7

#2

15 + 8

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...cxb4
      • 2.Kb1#
      • 2.Kc1#
      • 2.Ka2#
  • Tries
    • 1.Be4+?
      • 1...hxg5
        • 2.Kb1#
        • 2.Kc1#
        • 2.Ka2#
      • 1...f5
        • 2.Kb1#
        • 2.Kc1#
        • 2.Ka2#
      • 1...Kd4!
    • 1.Be6+?
      • 1...hxg5
        • 2.Kb1#
        • 2.Kc1#
        • 2.Ka2#
      • 1...f5
        • 2.Kb1#
        • 2.Kc1#
        • 2.Ka2#
      • 1...Kd4!
    • 1.Rxc5?
      • threat
        • 2.Kb1#
        • 2.Kc1#
        • 2.Ka2#
      • 1...Kd4
        • 2.Kb1#
        • 2.Kc1#
        • 2.Ka2#
      • 1...Bxc5!
  • Keys
    • 1.Kc3!
      • threat
        • 2.Kc4#
      • 1...cxb4+
        • 2.Kd3#
      • 1...Kxd5
        • 2.Be4#
      • 1...c4
        • 2.f4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(K);CHECK
      • Refutation
        • K(c);N_SPINR(f),S_FLIGHT
    • Try
      • B(K);CHECK
      • Refutation
        • K(c);N_SPINR(f),S_FLIGHT
    • Try
      • R(I);XP(b)
      • Threat
        • DUALS(3)
      • Refutation
        • B(h);XR(I)
  • Actual
    • K(B);S_FLIGHT
    • Threat
      • B(A)+K(B)
    • Vars
      • P(b);CHECK,XP(H)::B(A)+K(B)
      • K(c);N_SPINR(f),P-FLIGHT,P_SPINP(b),XP(J)::R(L)+B(K),DCHECK
      • P(b);::P(F)
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Developed and maintained by Brian Stephenson.
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