MESON Chess Problem Database

Problem Display
PID: 259377 (5Rb1/2Np1nPN/3P2p1/3BBkP1/r2p2p1/p5P1/K3Rn1r/5Qb1 w - - 0 1)

Trommler, Sven

Scacchi e Scienze Applicate 08. TT, 1991

5Rb1/2Np1nPN/3P2p1/3BBkP1/r2p2p1/p5P1/K3Rn1r/5Qb1

#2

12 + 12

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Bxd4?
      • threat
        • 2.Be4#
        • 2.Re5#
      • 1...Rxh7
        • 2.Re5#
      • 1...Bxh7
        • 2.Re5#
      • 1...Rxd4!
    • 1.Bf6?
      • threat
        • 2.Be4#
      • 1...Sxg5
        • 2.Re5#
      • 1...Sxd6
        • 2.Re5#
      • 1...Se5
        • 2.Rxe5#
      • 1...Sh6
        • 2.Re5#
      • 1...Sd8
        • 2.Re5#
      • 1...Sh8
        • 2.Re5#
      • 1...d3!
    • 1.Qb1+?
      • 1...Sd3
        • 2.Qxd3#
      • 1...Se4
        • 2.Qxe4#
      • 1...d3!
  • Keys
    • 1.Bf4!
      • threat
        • 2.Re5#
      • 1...Sd1
        • 2.Be4#
      • 1...Sh1
        • 2.Be4#
      • 1...Sd3
        • 2.Be4#
      • 1...Sh3
        • 2.Be4#
      • 1...Se4
        • 2.Bxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(F);XP(f)
      • Threat
        • DUALS(2)
      • Vars
        • R(c);XS(K)::R1(C)
        • B(l);XS(K)::R1(C)
      • Refutation
        • R(e);XB(F)
    • Try
      • B(F);
      • Threat
        • B(E)
      • Vars
        • S(k);N_GUARD,P_PINB(E),XP(G)::R1(C)
        • S(k);N_GUARD,P_PINB(E),XP(H)::R1(C)
        • S(k);N_GUARD,P_PINB(E)::R1(C),XS(k)
        • S(k);N_GUARD,P_PINB(E)::R1(C)
      • Refutation
        • P(f);
    • Try
      • Q(A);CHECK,N_PINS(b),P_PINS(k)
      • Vars
        • S(b);N_GUARD,N_SPINS(k),P_PINR(C),P_SPINS(b)::QAB(A),XS(b)
        • S(b);N_GUARD,N_SPINS(k),P_PINR(C),P_SPINS(b)::QAB1(A),XS(b)
      • Refutation
        • P(f);P_SPINP(f)
  • Actual
    • B(F);N_PINS(b),P_PINS(k)
    • Threat
      • R1(C)
    • Vars
      • S(b);N_GUARD,P_PINR(C)::B(E)
      • S(b);N_GUARD,P_PINR(C)::B(E),XS(b)
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