MESON Chess Problem Database

Problem Display
PID: 262724 (4b3/8/2R5/8/B3rP2/2R1p3/2PB2K1/3k1NNQ w - - 0 1)

Tominic, Ivo

4th Prize, SuperProblem, 2018

4b3/8/2R5/8/B3rP2/2R1p3/2PB2K1/3k1NNQ

#2

10 + 4

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Sg3?
      • threat
        • 2.Sf3#
      • 1...Kxd2
        • 2.Sf3#
      • 1...exd2
        • 2.S1e2#
      • 1...e2!
    • 1.Sf3?
      • threat
        • 2.Sg3#
      • 1...Ke2
        • 2.Sg3#
      • 1...e2
        • 2.Se3#
      • 1...exd2!
  • Keys
    • 1.Rxe3!
      • threat
        • 2.c4#
      • 1...Rxe3
        • 2.c3#
      • 1...Rxa4
        • 2.Re1#
      • 1...Bxc6
        • 2.Qh5#
      • 1...Rb4
        • 2.Re1#
      • 1...Rc4
        • 2.Re1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Threat
        • QAR(C)+S(B)
      • Vars
        • K(a);P-FLIGHT,XB(E)::S(B)
        • P(b);SBLOCK,XB(E)::QAR(C)+S(B)
      • Refutation
        • P(b);
    • Try
      • S(B);
      • Threat
        • QAR(C)+S(A)
      • Vars
        • K(a);S_FLIGHT::S(A)
        • P(b);SBLOCK::QAR(C)+S(A),DCHECK
      • Refutation
        • P(b);XB(E)
  • Actual
    • R(G);XP(b)
    • Threat
      • B(H)+P(D)
    • Vars
      • R(c);N_GUARD,XR(G)::B(H)+P(D)
      • R(c);N_GUARD,XB(H)::R1(G)
      • B(d);N_GUARD,XR(J)::QAB(C)
      • R(c);N_GUARD::R1(G)
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