MESON Chess Problem Database

Problem Display
PID: 124379 (8/5RR1/3p1b1p/3B1k1n/5rN1/2p2Q1P/p1b3n1/K1B5 w - - 0 1)

Rouvinski, R

Bulletin de la FFE, 1935

8/5RR1/3p1b1p/3B1k1n/5rN1/2p2Q1P/p1b3n1/K1B5

#2

8 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sg3
      • 2.Rxf6#
  • Tries
    • 1.Se3+?
      • 1...Sxe3
        • 2.Qxh5#
      • 1...Ke5!
    • 1.Bxf4?
      • threat
        • 2.Sxh6#
      • 1...Shxf4
        • 2.Rxf6#
      • 1...Sxg7
        • 2.Rxf6#
      • 1...Sgxf4!
    • 1.Qxf4+?
      • 1...Shxf4
        • 2.Rxf6#
      • 1...Sgxf4!
  • Keys
    • 1.Qxc3!
      • threat
        • 2.Sxh6#
      • 1...Rxg4
        • 2.hxg4#
      • 1...Sxg7
        • 2.Qxf6#
      • 1...Rd4
        • 2.Qc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • S(g);N_GUARD::R1(G),XB(i)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • S(c);XS(E)::QAR2(C),XS(g)
      • Refutation
        • K(f);N_SPINB(i),N_SPINR(e),P-FLIGHT
    • Try
      • B(B);XR(e)
      • Threat
        • S(E),XP(j)
      • Vars
        • S(g);N_GUARD,P_SPINS(g),XB(B)::R1(G),XB(i)
        • S(g);N_GUARD,XR(H)::R1(G),XB(i)
      • Refutation
        • S(c);P_SPINS(c),XB(B)
    • Try
      • Q(C);CHECK,XR(e)
      • Vars
        • S(g);XQ(C)::R1(G),XB(i)
      • Refutation
        • S(c);XQ(C)
  • Actual
    • Q(C);N_PINR(e),P_SPINQ(C),XP(d)
    • Threat
      • S(E),XP(j)
    • Vars
      • R(e);OGATE,XS(E)::P(D),XR(e)
      • S(g);N_GUARD,XR(H)::QAR1(C),XB(i)
      • R(e);N_PINQ(C)::QAB(C)
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