MESON Chess Problem Database

Problem Display
PID: 200710 (5b2/1K4pq/4p1B1/3k4/1PpBN3/2p1Q2p/2r5/8 w - - 0 1)

Tkachenko, Sergiy Ivanovich

Vasilenko, Anatoly Grigorovich

Zadachi i Etyudi, 2017

5b2/1K4pq/4p1B1/3k4/1PpBN3/2p1Q2p/2r5/8

#2

6 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Bf7#
  • Tries
    • 1.Sxc3+?
      • 1...Rxc3
        • 2.Qe5#
      • 1...Kd6!
    • 1.Sg5?
      • threat
        • 2.Qe5#
      • 1...Kd6
        • 2.Qxe6#
      • 1...Bd6
        • 2.Qe4#
      • 1...e5
        • 2.Qxe5#
      • 1...Re2!
    • 1.Sf6+?
      • 1...Kd6
        • 2.Bc5#
      • 1...gxf6+!
    • 1.Bxc3?
      • threat
        • 2.Qd4#
      • 1...e5
        • 2.Bf7#
      • 1...Rd2
        • 2.Qxd2#
      • 1...Bc5
        • 2.Qxc5#
      • 1...Rxc3!
    • 1.Be5?
      • threat
        • 2.Qd4#
      • 1...Rd2
        • 2.Sxc3#
      • 1...Bc5
        • 2.Qxc5#
      • 1...Kxe5!
    • 1.Bb6?
      • threat
        • 2.Qd4#
      • 1...Ke5
        • 2.Qg5#
      • 1...Bc5
        • 2.Qxc5#
      • 1...e5
        • 2.Bf7#
      • 1...Rd2!
    • 1.Ba7?
      • threat
        • 2.Qd4#
      • 1...Ke5
        • 2.Qg5#
      • 1...Bc5
        • 2.Qxc5#
      • 1...e5
        • 2.Bf7#
      • 1...Rd2!
    • 1.Qf4?
      • threat
        • 2.Qe5#
      • 1...Kxd4
        • 2.Sf6#
      • 1...e5
        • 2.Qxe5#
      • 1...Bd6
        • 2.Qxd6#
      • 1...Qh5!
    • 1.Qg5+?
      • 1...e5
        • 2.Qxe5#
      • 1...Kxd4!
  • Keys
    • 1.Bc5!
      • threat
        • 2.Qd4#
      • 1...Ke5
        • 2.Qg5#
      • 1...Bxc5
        • 2.Qxc5#
      • 1...Rd2
        • 2.Sxc3#
      • 1...e5
        • 2.Bf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(f);OGATEB::B(E)
  • Tries
    • Try
      • S(D);CHECK,XP(b)
      • Vars
        • R(a);XS(D)::QAR1(A)
      • Refutation
        • K(e);P-FLIGHT
    • Try
      • S(D);
      • Threat
        • QAR1(A)
      • Vars
        • K(e);P-FLIGHT::QAR1(A),XP(f)
        • B(i);SBLOCK::QAB1(A)
        • P(f);::QAR1(A),XP(f)
      • Refutation
        • R(a);
    • Try
      • S(D);CHECK
      • Vars
        • K(e);P-FLIGHT::B(C)
      • Refutation
        • P(g);CHECK,XS(D)
    • Try
      • B(C);XP(b)
      • Threat
        • QAR1(A)
      • Vars
        • P(f);OGATEB::B(E)
        • R(a);N_GUARD::QAR(A),XR(a)
        • B(i);N_GUARD::QAR1(A),XB(i)
      • Refutation
        • R(a);XB(C)
    • Try
      • B(C);
      • Threat
        • QAR1(A)
      • Vars
        • R(a);N_GUARD::S(D),XP(b)
        • B(i);N_GUARD::QAR1(A),XB(i)
      • Refutation
        • K(e);P-FLIGHT,XB(C)
    • Try
      • B(C);
      • Threat
        • QAR1(A)
      • Vars
        • K(e);P-FLIGHT::QAR2(A)
        • B(i);N_GUARD::QAR1(A),XB(i)
        • P(f);OGATEB,SBLOCK::B(E)
      • Refutation
        • R(a);
    • Try
      • B(C);
      • Threat
        • QAR1(A)
      • Vars
        • K(e);P-FLIGHT::QAR2(A)
        • B(i);N_GUARD::QAR1(A),XB(i)
        • P(f);OGATEB,SBLOCK::B(E)
      • Refutation
        • R(a);
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • K(e);P-FLIGHT,XB(C)::QAR(A)+S(D)
        • P(f);::QAR1(A),XP(f)
        • B(i);N_GUARD::QAR1(A),XB(i)
      • Refutation
        • Q(h);
    • Try
      • Q(A);CHECK
      • Vars
        • P(f);P_SPINP(f)::QAR1(A),XP(f)
      • Refutation
        • K(e);P-FLIGHT,XB(C)
  • Actual
    • B(C);
    • Threat
      • QAR1(A)
    • Vars
      • K(e);P-FLIGHT::QAR2(A)
      • B(i);OGATE,XB(C)::QAR1(A),XB(i)
      • R(a);N_GUARD::S(D),XP(b)
      • P(f);OGATEB,SBLOCK::B(E)
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