MESON Chess Problem Database

Problem Display
PID: 229279 (4b2q/2p1R3/4r2p/4np2/Q1PNkBn1/3R3N/KP1p2r1/4bB2 w - - 0 1)

Cassinelli, A

Magyar Sakkvilag, 1926

4b2q/2p1R3/4r2p/4np2/Q1PNkBn1/3R3N/KP1p2r1/4bB2

#2

10 + 12

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sd7
      • 2.Qc6#
  • Tries
    • 1.Sg5+?
      • 1...Kxf4
        • 2.Sdxe6#
      • 1...hxg5!
    • 1.Sxe6?
      • threat
        • 2.Sc5#
      • 1...Sxd3
        • 2.Bxg2#
      • 1...Se3
        • 2.Rxe3#
      • 1...c5
        • 2.Sxc5#
      • 1...Bf2!
  • Keys
    • 1.Sb3!
      • threat
        • 2.Sc5#
      • 1...Sxd3
        • 2.Bxg2#
      • 1...Se3
        • 2.Rxe3#
      • 1...Rc6
        • 2.c5#
      • 1...Bf2
        • 2.Sxd2#
      • 1...Sd7
        • 2.Qc6#
      • 1...c5
        • 2.Sxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(f);N_GUARD,P_SPINR(h),S_CUTB(k)::QAB(F)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(d);P-FLIGHT,XB(I)::S(H),XR(h)
      • Refutation
        • P(i);XS(E)
    • Try
      • S(H);XR(h)
      • Threat
        • S(H)
      • Vars
        • S(f);N_GUARD,SBLOCK,XR(D)::B(A),XR(c)
        • S(e);N_GUARD::R1(D),XS(e)
        • P(j);::S(H),XP(j)
      • Refutation
        • B(a);
  • Actual
    • S(H);
    • Threat
      • S(H)
    • Vars
      • S(f);N_GUARD,P_SPINR(h),SBLOCK,XR(D)::B(A),XR(c)
      • S(e);N_GUARD::R1(D),XS(e)
      • R(h);P_SPINS(f),S_CUTB(k)::QAR(F)+P(G)
      • B(a);N_GUARD,S_CUTR(c)::S(H),XP(b)
      • S(f);N_GUARD,P_SPINR(h),S_CUTB(k)::QAB(F)
      • P(j);::S(H),XP(j)
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