MESON Chess Problem Database

Problem Display
PID: 246424 (2Q3K1/BP6/1rB1pP1p/3NN1pr/1p1qkPP1/2pR4/4P3/8 w - - 0 1)

Mosiashvili, Givi

Shakhmatnaya Poeziya, 2003

2Q3K1/BP6/1rB1pP1p/3NN1pr/1p1qkPP1/2pR4/4P3/8

#2

12 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rb5
      • 2.Rxd4#
    • 1...Ra6
      • 2.Rxd4#
    • 1...Rxc6
      • 2.Rxd4#
    • 1...Rxb7
      • 2.Rxd4#
    • 1...exd5
      • 2.Qf5#
  • Tries
    • 1.Sf3?
      • threat
        • 2.Rxd4#
      • 1...Qxf6
        • 2.Re3#
      • 1...Qxd3
        • 2.Qxe6#
      • 1...exd5
        • 2.Qf5#
      • 1...Qg1
        • 2.Qxe6#
      • 1...Qf2
        • 2.Qxe6#
      • 1...Qe3
        • 2.Rxe3#
        • 2.Qxe6#
      • 1...Qc5
        • 2.Qxe6#
      • 1...Qe5
        • 2.Re3#
      • 1...Qc4
        • 2.Re3#
        • 2.Qxe6#
      • 1...e5
        • 2.Qf5#
      • 1...Qxd5!
    • 1.Sg6?
      • threat
        • 2.Sxc3#
      • 1...Qxd5
        • 2.Qxe6#
      • 1...Rxc6
        • 2.Rxd4#
      • 1...exd5
        • 2.Qf5#
      • 1...c2
        • 2.Sc3#
      • 1...Qxd3!
  • Keys
    • 1.Qxe6!
      • threat
        • 2.Qf5#
      • 1...Qxe5
        • 2.Qxe5#
      • 1...Qxd3
        • 2.Sf3#
      • 1...Qxd5
        • 2.Sg6#
      • 1...Rxc6
        • 2.Rxd4#
      • 1...gxf4
        • 2.Sxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • R(g);::R1(B),XQ(c)
    • R(g);XB(G)::R1(B),XQ(c)
    • R(g);XP(J)::R1(B),XQ(c)
    • P(h);OGATE,P_SPINP(h),XS(E)::QAB1(K)
  • Tries
    • Try
      • S(F);
      • Threat
        • R1(B),XQ(c)
      • Vars
        • Q(c);N_GUARD,XP(H)::R1(B)
        • Q(c);N_GUARD,XR(B)::QAR2(K),XP(h)
        • P(h);OGATE,P_SPINP(h),XS(E)::QAB1(K)
        • Q(c);N_GUARD::QAR2(K),XP(h)
        • Q(c);N_GUARD::R1(B)
        • P(h);OGATE::QAB1(K)
      • Refutation
        • Q(c);P_SPINQ(c),XS(E)
    • Try
      • S(F);
      • Threat
        • B(G)+S(E),DCHECK,XP(a)
      • Vars
        • Q(c);N_GUARD,P_SPINQ(c),XS(E)::QAR2(K),XP(h)
        • R(g);XB(G)::R1(B),XQ(c)
        • P(h);OGATE,P_SPINP(h),XS(E)::QAB1(K)
        • P(a);::B(G)+S(E),DCHECK
      • Refutation
        • Q(c);XR(B)
  • Actual
    • Q(K);XP(h)
    • Threat
      • QAB1(K)
    • Vars
      • Q(c);OGATE,P_SPINQ(c),XS(F)::QAR1(K),XQ(c)
      • Q(c);N_GUARD,XR(B)::QAR(K)+S(F)
      • Q(c);N_GUARD,P_PINQ(K),P_SPINQ(c),XS(E)::QAR(K)+S(F)
      • R(g);XB(G)::R1(B),XQ(c)
      • P(e);SBLOCK,XP(C)::B(G)+S(E),DCHECK,XP(a)
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