MESON Chess Problem Database

Problem Display
PID: 7671 (8/1Kp4p/pppP4/1bk3p1/PrN3R1/4P1p1/NB4B1/7Q w - - 0 1)

Rychkov, Vladimir Nikolaevich

2nd HM., Shakhmatnaya kompozitsiya, 1992

8/1Kp4p/pppP4/1bk3p1/PrN3R1/4P1p1/NB4B1/7Q

#2

10 + 10

3705 Album Russia (1992-1994) 2000

SOLUTION

  • SOUND
  • Tries
    • 1.Bf1?
      • threat
        • 2.Bd4#
        • 2.Rxg5#
      • 1...Rxb2
        • 2.Rxg5#
      • 1...Bxa4
        • 2.Rxg5#
      • 1...Bxc4
        • 2.Qxc6#
      • 1...cxd6
        • 2.Bd4#
      • 1...g2
        • 2.Rxg5#
      • 1...h6
        • 2.Bd4#
      • 1...Rxc4!
    • 1.Qc1?
      • threat
        • 2.Bd4#
        • 2.Rxg5#
      • 1...Rxb2
        • 2.Rxg5#
      • 1...Rxc4
        • 2.Ba3#
      • 1...Bxa4
        • 2.Rxg5#
      • 1...cxd6
        • 2.Bd4#
      • 1...h6
        • 2.Bd4#
      • 1...Bxc4!
    • 1.Qd1?
      • threat
        • 2.Qd4#
      • 1...Rxc4
        • 2.Rxg5#
      • 1...Bxa4!
  • Keys
    • 1.Qh6!
      • threat
        • 2.Qxg5#
      • 1...Rxc4
        • 2.Rxg5#
      • 1...Bxc4
        • 2.Bd4#
      • 1...cxd6
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);
      • Threat
        • DUALS(2)
      • Vars
        • R(b);XB(C)::R(H),XP(e)
        • B(c);XP(F)::R(H),XP(e)
        • B(c);N_GUARD,XS(G)::QAR1(A),XP(h)
        • P(i);XP(I)::B(C)
        • P(a);::R(H),XP(e)
        • P(j);::B(C)
      • Refutation
        • R(b);XS(G)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • R(b);XB(C)::R(H),XP(e)
        • R(b);OGATEB,P_SPINR(b),XS(G)::B(C)
        • B(c);XP(F)::R(H),XP(e)
        • P(i);XP(I)::B(C)
        • P(j);::B(C)
      • Refutation
        • B(c);P_SPINB(c),XS(G)
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • R(b);SBLOCK,XS(G)::R(H),XP(e)
      • Refutation
        • B(c);XP(F)
  • Actual
    • Q(A);
    • Threat
      • QAR(A),XP(e)
    • Vars
      • R(b);SBLOCK,XS(G)::R(H),XP(e)
      • B(c);SBLOCK,XS(G)::B(C)
      • P(i);OGATE,XP(I)::QAB1(A),XP(i)
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