MESON Chess Problem Database

Problem Display
PID: 238702 (6R1/3p1RKQ/4p1P1/3N2p1/2PPkP2/4P3/4P3/6r1 w - - 0 1)

Dyachuk, Vasyl Vasilovich

idee & form, 1998

6R1/3p1RKQ/4p1P1/3N2p1/2PPkP2/4P3/4P3/6r1

#2

11 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rh1
      • 2.Qxh1#
    • 1...gxf4
      • 2.Rxf4#
    • 1...exd5
      • 2.Re8#
  • Tries
    • 1.Kf6?
      • threat
        • 2.g7#
      • 1...exd5
        • 2.Re7#
        • 2.Re8#
      • 1...Rh1
        • 2.Qxh1#
      • 1...gxf4!
    • 1.Kh6?
      • threat
        • 2.g7#
      • 1...gxf4
        • 2.Rxf4#
      • 1...exd5
        • 2.Re8#
      • 1...Rh1+!
    • 1.Kf8?
      • threat
        • 2.g7#
      • 1...gxf4
        • 2.Rxf4#
      • 1...Rh1
        • 2.Qxh1#
      • 1...exd5!
    • 1.Qh1+?
      • 1...Rg2
        • 2.Qxg2#
        • 2.Qb1#
      • 1...Rxh1!
    • 1.Qh3?
      • threat
        • 2.Sc3#
        • 2.Sf6#
        • 2.Qf3#
      • 1...exd5
        • 2.Re7#
        • 2.Re8#
        • 2.Qf3#
      • 1...Rc1
        • 2.Sf6#
        • 2.Qg2#
        • 2.Qf3#
      • 1...Rf1
        • 2.Sc3#
        • 2.Sf6#
      • 1...Rg4
        • 2.Sc3#
        • 2.Qf3#
      • 1...g4
        • 2.Sc3#
      • 1...Rg3!
  • Keys
    • 1.Kh8!
      • threat
        • 2.g7#
      • 1...gxf4
        • 2.Rxf4#
      • 1...exd5
        • 2.Re8#
      • 1...Rh1
        • 2.Qxh1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(a);N_GUARD::QAB(J),XR(a)
    • P(c);OGATE,P_PINP(G),XP(E)::R1(H),XP(c)
    • P(d);OGATEB,XS(F)::R(K)
  • Tries
    • Try
      • K(I);S_FLIGHT
      • Threat
        • QAB(J)+P(G)
      • Vars
        • R(a);N_GUARD::QAB(J),XR(a)
      • Refutation
        • P(c);XP(E)
    • Try
      • K(I);S_FLIGHT
      • Threat
        • QAB(J)+P(G)
      • Vars
        • P(c);OGATE,XP(E)::R1(H),XP(c)
        • P(d);OGATEB,XS(F)::R(K)
      • Refutation
        • R(a);CHECK
    • Try
      • K(I);S_FLIGHT
      • Threat
        • QAB(J)+P(G)
      • Vars
        • P(c);OGATE,XP(E)::R1(H),XP(c)
        • R(a);N_GUARD::QAB(J),XR(a)
      • Refutation
        • P(d);XS(F)
    • Try
      • Q(J);CHECK
      • Refutation
        • R(a);XQ(J)
    • Try
      • Q(J);
      • Threat
        • DUALS(3)
      • Vars
        • P(c);::S(F)
      • Refutation
        • R(a);
  • Actual
    • K(I);S_FLIGHT
    • Threat
      • QAB(J)+P(G)
    • Vars
      • P(c);OGATE,XP(E)::R1(H),XP(c)
      • P(d);OGATEB,XS(F)::R(K)
      • R(a);N_GUARD,P_PINQ(J)::QAB(J),XR(a)
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