MESON Chess Problem Database

Problem Display
PID: 108244 (6qb/1p3p2/3R2p1/B1p2P2/P1k3N1/2r1P3/P3PPK1/7Q w - - 0 1)

Czene, Istvan

Tehetsegkutatas, 1987

6qb/1p3p2/3R2p1/B1p2P2/P1k3N1/2r1P3/P3PPK1/7Q

#2

11 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rd3
      • 2.exd3#
    • 1...Rxe3
      • 2.Sxe3#
    • 1...Be5
      • 2.Sxe5#
  • Tries
    • 1.Kf1?
      • threat
        • 2.Qd5#
      • 1...Rd3
        • 2.exd3#
      • 1...f6
        • 2.Qe4#
      • 1...Rc1+!
    • 1.Kg1?
      • threat
        • 2.Qd5#
      • 1...Rd3
        • 2.exd3#
      • 1...f6
        • 2.Qe4#
      • 1...Rc1+!
    • 1.Kh2?
      • threat
        • 2.Qd5#
      • 1...Be5+
        • 2.Sxe5#
      • 1...Rd3
        • 2.exd3#
      • 1...f6
        • 2.Qe4#
      • 1...Qh7+!
    • 1.Kh3?
      • threat
        • 2.Qd5#
      • 1...Rxe3+
        • 2.Sxe3#
      • 1...Rd3
        • 2.exd3#
      • 1...f6
        • 2.Qe4#
      • 1...Qh7+!
    • 1.Qb1?
      • threat
        • 2.Qb5#
      • 1...Rb3
        • 2.Qxb3#
        • 2.axb3#
      • 1...b5
        • 2.Qxb5#
      • 1...Qe8!
    • 1.Qh4?
      • threat
        • 2.Se5#
        • 2.Sf6#
      • 1...Rxe3
        • 2.Sxe3#
        • 2.Se5#
      • 1...Qh7
        • 2.Se5#
      • 1...Qe8
        • 2.Se5#
      • 1...Rd3
        • 2.Se5#
        • 2.exd3#
      • 1...Bd4
        • 2.Se5#
      • 1...Be5
        • 2.Sxe5#
      • 1...Bf6
        • 2.Se5#
        • 2.Sxf6#
      • 1...g5
        • 2.Se5#
      • 1...f6
        • 2.Sh2#
        • 2.Se5#
        • 2.Sxf6#
        • 2.Sh6#
      • 1...gxf5!
  • Keys
    • 1.Kg3!
      • threat
        • 2.Qd5#
      • 1...Rxe3+
        • 2.Sxe3#
      • 1...Be5+
        • 2.Sxe5#
      • 1...Rd3
        • 2.exd3#
      • 1...f6
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(a);OGATE::P(C),XR(a)
    • R(a);XP(F)::S(H),XR(a)
    • B(h);N_GUARD::S(H),XB(h)
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Threat
        • QAB1(A)
      • Vars
        • R(a);OGATE::P(C),XR(a)
        • P(f);S_CUTB(h)::QAR2(A)
      • Refutation
        • R(a);CHECK
    • Try
      • K(E);P-FLIGHT
      • Threat
        • QAB1(A)
      • Vars
        • R(a);OGATE::P(C),XR(a)
        • P(f);S_CUTB(h)::QAR2(A)
      • Refutation
        • R(a);CHECK
    • Try
      • K(E);P-FLIGHT
      • Threat
        • QAB1(A)
      • Vars
        • B(h);CHECK,N_GUARD::S(H),XB(h)
        • R(a);OGATE::P(C),XR(a)
        • P(f);S_CUTB(h)::QAR2(A)
      • Refutation
        • Q(g);CHECK
    • Try
      • K(E);P_SPINP(F),S_FLIGHT
      • Threat
        • QAB1(A)
      • Vars
        • R(a);CHECK,XP(F)::S(H),XR(a)
        • R(a);OGATE::P(C),XR(a)
        • P(f);S_CUTB(h)::QAR2(A)
      • Refutation
        • Q(g);CHECK
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • P(e);::QAB1(A),XP(e)
      • Refutation
        • Q(g);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • Q(g);::QAR(A)+S(H),DCHECK
        • B(h);::S(H)
        • B(h);::QAR(A)+S(H),DCHECK,XB(h)
        • P(d);::QAR(A)+S(H),DCHECK
      • Refutation
        • P(d);P_PINS(H),XP(J)
  • Actual
    • K(E);P-FLIGHT,P_SPINP(F)
    • Threat
      • QAB1(A)
    • Vars
      • R(a);CHECK,XP(F)::S(H),XR(a)
      • B(h);CHECK,N_GUARD::S(H),XB(h)
      • R(a);OGATE::P(C),XR(a)
      • P(f);S_CUTB(h)::QAR2(A)
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