MESON Chess Problem Database

Problem Display
PID: 240043 (3Q4/8/1p2p1Np/1R2p2P/3n4/3kP1NB/8/3KB3 w - - 0 1)

Mosiashvili, Givi

64 Shakhmatnoe obozrenie, 1998

3Q4/8/1p2p1Np/1R2p2P/3n4/3kP1NB/8/3KB3

#2

9 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...e4
      • 2.Qxd4#
  • Tries
    • 1.Bd2?
      • threat
        • 2.Sxe5#
        • 2.Bf1#
      • 1...e4
        • 2.Se5#
        • 2.Bf1#
        • 2.Qxd4#
      • 1...Kc4!
    • 1.Rc5?
      • threat
        • 2.Rc3#
      • 1...Kxe3
        • 2.Rc3#
      • 1...bxc5!
    • 1.Qh4?
      • 1...Kxe3
        • 2.Qe4#
      • 1...Kc4
        • 2.Bf1#
      • 1...Sxb5
        • 2.Qe4#
      • 1...Sc2
        • 2.Rb3#
        • 2.Qe4#
      • 1...Se2
        • 2.Qe4#
      • 1...Sb3
        • 2.Rxb3#
        • 2.Qe4#
      • 1...Sf3
        • 2.Rb3#
        • 2.Qe4#
      • 1...Sf5
        • 2.Rb3#
        • 2.Qe4#
      • 1...Sc6
        • 2.Rb3#
        • 2.Qe4#
      • 1...e4!
    • 1.Qd5?
      • threat
        • 2.Rb3#
      • 1...Kxe3
        • 2.Qe4#
      • 1...exd5!
    • 1.Qd7?
      • 1...Kc4
        • 2.Sxe5#
      • 1...e4
        • 2.Qxd4#
      • 1...Kxe3!
  • Keys
    • 1.Qxb6!
      • 1...Kxe3
        • 2.Rb3#
      • 1...Kc4
        • 2.Sxe5#
      • 1...Sxb5
        • 2.Sxe5#
        • 2.Bf1#
      • 1...Sc2
        • 2.Sxe5#
        • 2.Bf1#
      • 1...Se2
        • 2.Sxe5#
      • 1...Sb3
        • 2.Sxe5#
        • 2.Bf1#
      • 1...Sf3
        • 2.Bf1#
      • 1...Sf5
        • 2.Sxe5#
        • 2.Bf1#
      • 1...Sc6
        • 2.Bf1#
      • 1...e4
        • 2.Qxd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(c);N_GUARD::QAR1(I),XS(b)
  • Tries
    • Try
      • B(B);
      • Threat
        • DUALS(2)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • R(F);
      • Threat
        • R1(F)
      • Vars
        • K(a);N_SPINS(b),P-FLIGHT,XP(C)::R(F)
      • Refutation
        • P(d);XR(F)
    • Try
      • Q(I);N_PINS(b)
      • Vars
        • K(a);P-FLIGHT,XP(C)::QAR1(I)
        • K(a);P_SPINS(b),S_FLIGHT::B(E)
        • S(b);XR(F)::QAB1(I)
        • S(b);::QAB1(I)
      • Refutation
        • P(c);
    • Try
      • Q(I);
      • Threat
        • R(F)
      • Vars
        • K(a);N_SPINS(b),P-FLIGHT,XP(C)::QAR1(I)
      • Refutation
        • P(e);N_SPINS(b),XQ(I)
    • Try
      • Q(I);
      • Vars
        • K(a);N_SPINS(b),S_FLIGHT::S(H),XP(c)
        • P(c);N_GUARD::QAR1(I),XS(b)
      • Refutation
        • K(a);N_SPINS(b),P-FLIGHT,XP(C)
  • Actual
    • Q(I);N_PINS(b),XP(d)
    • Vars
      • K(a);P-FLIGHT,P_SPINS(b),XP(C)::R(F)
      • K(a);S_FLIGHT::S(H),XP(c)
      • S(b);::S(H),XP(c)
      • S(b);N_GUARD::B(E)
      • P(c);N_GUARD::QAR1(I),XS(b)
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