MESON Chess Problem Database

Problem Display
PID: 86731 (Br6/PN6/Kp6/4N3/pQP2pr1/3pp3/5kpP/3qR1Rn w - - 0 1)

Lamba, Stelian

Umenie 64, 2005

Br6/PN6/Kp6/4N3/pQP2pr1/3pp3/5kpP/3qR1Rn

#2

10 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qf3
      • 2.Sxd3#
    • 1...Qxe1
      • 2.Qxe1#
    • 1...e2
      • 2.Qxb6#
    • 1...f3
      • 2.Sxg4#
  • Tries
    • 1.Sc5?
      • threat
        • 2.Se4#
      • 1...Qxe1
        • 2.Qxe1#
      • 1...e2
        • 2.Sxg4#
      • 1...Qf3
        • 2.Scxd3#
        • 2.Sexd3#
      • 1...Sg3
        • 2.Rxg2#
      • 1...f3
        • 2.Sxg4#
      • 1...bxc5!
    • 1.Rxd1?
      • threat
        • 2.Qe1#
      • 1...Ke2
        • 2.Qe1#
      • 1...e2
        • 2.Qxb6#
      • 1...d2!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Se4#
      • 1...Qxe1
        • 2.Qxe1#
      • 1...e2
        • 2.Sxg4#
      • 1...Qf3
        • 2.Sxd3#
      • 1...Sg3
        • 2.Rxg2#
      • 1...f3
        • 2.Sxg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • Q(a);N_GUARD,SBLOCK::S(F),XP(e)
    • Q(a);OGATE,XR(A)::QAB1(D),XQ(a)
    • P(f);OGATEB::QAB(D),XP(j)
    • P(h);SBLOCK,S_CUTQ(a)::S(F),XR(i)
  • Tries
    • Try
      • S(I);
      • Threat
        • S(I)
      • Vars
        • Q(a);OGATE,XR(A)::QAB1(D),XQ(a)
        • P(f);S_CUTQ(a)::S(F),XR(i)
        • S(b);S_CUTR(i)::R1(B),XP(d)
        • P(h);S_CUTQ(a)::S(F),XR(i)
      • Refutation
        • P(j);XS(I)
    • Try
      • R(A);XQ(a)
      • Threat
        • QAB1(D)
      • Vars
        • K(c);P-FLIGHT::QAR1(D)
        • P(f);OGATEB,SBLOCK::QAB(D),XP(j)
      • Refutation
        • P(e);
  • Actual
    • S(I);
    • Threat
      • S(I)
    • Vars
      • Q(a);OGATE,XR(A)::QAB1(D),XQ(a)
      • P(f);S_CUTQ(a)::S(F),XR(i)
      • Q(a);N_GUARD::S(F),XP(e)
      • S(b);S_CUTR(i)::R1(B),XP(d)
      • P(h);S_CUTQ(a)::S(F),XR(i)
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