MESON Chess Problem Database

Problem Display
PID: 231234 (rr1b1B1K/2P1NP2/2Bk1N1R/5P2/8/8/2R5/8 w - - 0 1)

San Martín Teliz, Juan P

Mundial (magazine), 1927

rr1b1B1K/2P1NP2/2Bk1N1R/5P2/8/8/2R5/8

#2

10 + 4

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc7
      • 2.Sfd5#
    • 1...Bxc7
      • 2.Sg4#
      • 2.Sd7#
  • Tries
    • 1.Sh5+?
      • 1...Ke5
        • 2.Bg7#
      • 1...Kxc7!
    • 1.Sed5+?
      • 1...Be7
        • 2.Sg4#
        • 2.Sd7#
      • 1...Ke5!
    • 1.Sc8+?
      • 1...Kxc7
        • 2.Bh1#
        • 2.Bg2#
        • 2.Bf3#
        • 2.Be4#
        • 2.Bd5#
        • 2.Bxa8#
      • 1...Ke5!
    • 1.cxb8Q+?
      • 1...Bc7
        • 2.Sg4#
        • 2.Sd7#
        • 2.Sg6#
      • 1...Rxb8!
    • 1.cxb8B+?
      • 1...Bc7
        • 2.Sg4#
        • 2.Sd7#
        • 2.Sg6#
      • 1...Rxb8!
  • Keys
    • 1.Bg7!
      • threat
        • 2.Sfd5#
      • 1...Bxc7+
        • 2.Sfg8#
      • 1...Bxe7+
        • 2.Se8#
      • 1...Ke5
        • 2.Sh5#
      • 1...Kxc7
        • 2.Sfd5#
      • 1...Kxe7
        • 2.f8Q#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT,XP(F)::S(D)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(a);S_FLIGHT::B(I)
      • Refutation
        • K(a);S_FLIGHT,XP(F)
    • Try
      • S(G);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(G);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(F);CHECK,XR(c)
      • Refutation
        • R(b);XQ(F)
    • Try
      • P(F);CHECK,XR(c)
      • Refutation
        • R(b);XB(F)
  • Actual
    • B(I);
    • Threat
      • R(E)+S(D)
    • Vars
      • B(d);CHECK,SBLOCK,XP(F)::R(E)+S(D)
      • B(d);CHECK,SBLOCK,XS(G)::R(E)+S(D),DCHECK
      • K(a);S_FLIGHT::B(I)+S(D)
      • K(a);S_FLIGHT,XP(F)::S(D)
      • K(a);S_FLIGHT,XS(G)::P=Q
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