MESON Chess Problem Database

Problem Display
PID: 121908 (7B/p2NK1n1/r1pNP2p/2Pk1p2/2Rn2P1/7r/B1p2PRp/b2b3Q w - - 0 1)

Bedoni, Romeo

4th Prize, Grunenwald/Monreal JT (diagrammes), 1978

7B/p2NK1n1/r1pNP2p/2Pk1p2/2Rn2P1/7r/B1p2PRp/b2b3Q

#2

12 + 13

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Se2
      • 2.Rg3#
    • 1...Sf3
      • 2.Ra4#
    • 1...Sh5
      • 2.Rxd4#
    • 1...Sxe6
      • 2.Rxd4#
    • 1...Se8
      • 2.Rxd4#
  • Tries
    • 1.Rg3+?
      • 1...Sf3
        • 2.Ra4#
      • 1...Bf3!
  • Keys
    • 1.f4!
      • threat
        • 2.Sf6#
      • 1...Sdxe6
        • 2.Rd2#
      • 1...Se2
        • 2.Rg3#
      • 1...Sb3
        • 2.Rd2#
      • 1...Sf3
        • 2.Ra4#
      • 1...Sb5
        • 2.Rd2#
      • 1...Sh5
        • 2.Rxd4#
      • 1...Se8
        • 2.Rxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • S(f);N_GUARD,S_CUTB(b)::QAB(A)+R(D)
    • S(f);N_GUARD,S_CUTR(e)::B(B)+R(E)
    • S(m);::B(B)+R(E),DCHECK,XS(f)
    • S(m);XP(I)::B(B)+R(E),DCHECK,XS(f)
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • S(f);P_SPINS(f)::B(B)+R(E)
      • Refutation
        • B(b);P_SPINB(b)
  • Actual
    • P(C);
    • Threat
      • S(J)
    • Vars
      • S(f);XP(I)::QAB(A)+R(D),DCHECK
      • S(f);N_GUARD,S_CUTB(b)::QAB(A)+R(D)
      • S(f);::QAB(A)+R(D),DCHECK
      • S(f);N_GUARD,S_CUTR(e)::B(B)+R(E)
      • S(m);::B(B)+R(E),DCHECK,XS(f)
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