MESON Chess Problem Database

Problem Display
PID: 7225 (8/1qPPK1N1/1p1P4/3Rp1PN/3Bk1p1/1Q3p2/3pP3/1b2br2 w - - 0 1)

Shanshin, Valery Yurevich

Slesarenko, Anatoly Vasilevich

1st Prize, Uralski Problemist, 1998

8/1qPPK1N1/1p1P4/3Rp1PN/3Bk1p1/1Q3p2/3pP3/1b2br2

#2

11 + 10

6166 FIDE Album (1998-2000) 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd5
      • 2.Qe3#
    • 1...Bd3
      • 2.exd3#
  • Tries
    • 1.Ke6?
      • threat
        • 2.Qxb1#
        • 2.Qe3#
      • 1...Qxd5+
        • 2.Qxd5#
      • 1...Qxc7
        • 2.Qe3#
      • 1...fxe2
        • 2.Qe3#
      • 1...exd4
        • 2.Re5#
      • 1...d1Q
        • 2.Qe3#
      • 1...d1S
        • 2.Qxb1#
      • 1...d1B
        • 2.Qe3#
      • 1...d1R
        • 2.Qe3#
      • 1...Qa6
        • 2.Qe3#
      • 1...Qc6
        • 2.Qe3#
      • 1...Ba2
        • 2.Qc2#
        • 2.Qd3#
        • 2.Qe3#
      • 1...Bc2
        • 2.Qxc2#
        • 2.Qe3#
      • 1...Bd3
        • 2.Qxd3#
        • 2.exd3#
      • 1...Bg3
        • 2.Qe3#
      • 1...Bh4
        • 2.Qe3#
      • 1...Bf2!
    • 1.Be3?
      • threat
        • 2.Sf6#
      • 1...Bd3
        • 2.Qxd3#
      • 1...fxe2!
    • 1.Qc3?
      • threat
        • 2.Rxe5#
      • 1...Kxd5
        • 2.Sf6#
      • 1...Qxd5
        • 2.Qe3#
      • 1...exd4
        • 2.Qxd4#
      • 1...Bg3!
    • 1.e3?
      • threat
        • 2.Sf6#
        • 2.Rxe5#
      • 1...Qxd5
        • 2.Sf6#
        • 2.Qxb1#
      • 1...exd4
        • 2.Sf6#
      • 1...Bg3
        • 2.Sxg3#
        • 2.Sf6#
      • 1...f2!
  • Keys
    • 1.Se6!
      • threat
        • 2.Rxe5#
      • 1...Kf5
        • 2.Qxb1#
      • 1...Qxd5
        • 2.Qxb1#
      • 1...exd4
        • 2.Sf6#
      • 1...Bg3
        • 2.Sxg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • Q(j);SBLOCK,XR(D)::QAR1(B)
    • B(a);OGATE::P(A),XB(a)
  • Tries
    • Try
      • K(J);P-FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • Q(j);CHECK,OGATE,XR(D)::QAB1(B),XQ(j)
        • Q(j);XP(H)::QAR1(B)
        • P(e);XP(A)::QAR1(B)
        • P(h);SBLOCK,XB(C)::R1(D)
        • P(d);::QAR1(B)
        • P(d);::QAB(B),XB(a)
        • Q(j);::QAR1(B)
        • Q(j);P_PINP(G)::QAR1(B)
        • B(b);::QAR1(B)
      • Refutation
        • B(b);
    • Try
      • B(C);
      • Threat
        • S(F)
      • Vars
        • B(a);N_GUARD::QAB1(B),XB(a)
      • Refutation
        • P(e);XP(A)
    • Try
      • Q(B);
      • Threat
        • R1(D),XP(h)
      • Vars
        • K(f);S_FLIGHT,XR(D)::S(F)
        • Q(j);SBLOCK,XR(D)::QAR1(B)
        • P(h);OGATE,XB(C)::QAR1(B),XP(h)
      • Refutation
        • B(b);
    • Try
      • P(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(h);XB(C)::S(F)
      • Refutation
        • P(e);
  • Actual
    • S(K);
    • Threat
      • R1(D),XP(h)
    • Vars
      • K(f);P_SPINP(h),S_FLIGHT::QAB(B),XB(a)
      • Q(j);SBLOCK,XR(D)::QAB(B),XB(a)
      • P(h);XB(C)::S(F)
      • B(b);N_GUARD::S(F),XB(b)
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