MESON Chess Problem Database

Problem Display
PID: 273968 (2k1K3/B2p1R2/4N3/2P1N3/4B3/2R5/7b/3b4 w - - 0 1)

Paslack, Rainer

Die Schwalbe, 2023

2k1K3/B2p1R2/4N3/2P1N3/4B3/2R5/7b/3b4

#2

8 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...dxe6
      • 2.Bb7#
    • 1...d5
      • 2.Rc7#
      • 2.cxd5 ep#
    • 1...d6
      • 2.Bb7#
      • 2.Rc7#
      • 2.cxd6#
  • Tries
    • 1.Rb3?
      • threat
        • 2.Bb7#
        • 2.Rb8#
      • 1...Bxe5
        • 2.Bb7#
      • 1...Bf3
        • 2.Rb8#
      • 1...d5
        • 2.Rb8#
        • 2.Rc7#
      • 1...Bxb3!
    • 1.Rxd7?
      • threat
        • 2.Bb7#
        • 2.Rc7#
        • 2.Rd8#
      • 1...Bxe5
        • 2.Bb7#
        • 2.Rd8#
      • 1...Bf3
        • 2.Rc7#
        • 2.Rd8#
      • 1...Ba4
        • 2.Bb7#
      • 1...Bh5+!
    • 1.c6?
      • threat
        • 2.cxd7#
      • 1...dxc6
        • 2.Rxc6#
        • 2.Rc7#
      • 1...d5
        • 2.Rc7#
      • 1...d6
        • 2.Rc7#
      • 1...dxe6!
  • Keys
    • 1.Sg6!
      • threat
        • 2.Se7#
      • 1...dxe6
        • 2.Bb7#
      • 1...Bd6
        • 2.cxd6#
      • 1...d5
        • 2.cxd5 ep#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(c);XS(E)::B(B)
  • Tries
    • Try
      • R(A);
      • Threat
        • DUALS(2)
      • Vars
        • B(b);XS(D)::B(B)
        • B(a);::R1(A)
      • Refutation
        • B(a);XR(A)
    • Try
      • R(G);XP(c)
      • Threat
        • DUALS(3)
      • Vars
        • B(a);P_PINR(G)::B(B)
      • Refutation
        • B(a);CHECK
    • Try
      • P(C);
      • Threat
        • R(A)+P(C)DCHECK,XP(c)
      • Vars
        • P(c);OGATE::R1(G)
      • Refutation
        • P(c);XS(E)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • P(c);XS(E)::B(B)
      • B(b);OGATE::R(A)+P(C),XB(b)
      • P(c);OGATE::R(A)+P(C),XP(c),EP
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