MESON Chess Problem Database

Problem Display
PID: 263178 (B1K5/B1p5/pp2n3/r1PN1p2/P1Nk1P2/R1pP4/b1P2P2/4Qn2 w - - 0 1)

Gavrilovski, Zoran

SuperProblem, 2021

B1K5/B1p5/pp2n3/r1PN1p2/P1Nk1P2/R1pP4/b1P2P2/4Qn2

#2

13 + 10

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc5
      • 2.Qxc3#
      • 2.Qe5#
    • 1...Sd2
      • 2.Qe3#
    • 1...Sh2
      • 2.Qe3#
    • 1...Se3
      • 2.Qxe3#
    • 1...Sg3
      • 2.Qe3#
    • 1...Sxc5
      • 2.Qxc3#
      • 2.Qe5#
    • 1...bxc5
      • 2.Qxc3#
      • 2.Qe5#
    • 1...b5
      • 2.Qxc3#
      • 2.Qe5#
  • Tries
    • 1.Scxb6?
      • threat
        • 2.Qxc3#
      • 1...Kxc5
        • 2.Sc4#
      • 1...Rxc5
        • 2.Qe5#
      • 1...Sd2
        • 2.Qe3#
      • 1...Bc4!
    • 1.Sxc3?
      • threat
        • 2.Qe5#
      • 1...Rxc5
        • 2.Se2#
      • 1...Se3
        • 2.Qxe3#
      • 1...Kxc5!
    • 1.Sb4?
      • threat
        • 2.Qe5#
      • 1...Rxc5
        • 2.Qxc3#
      • 1...Se3
        • 2.Qxe3#
      • 1...Kxc5!
    • 1.Sf6?
      • threat
        • 2.Qe5#
      • 1...Rxc5
        • 2.Qxc3#
      • 1...Se3
        • 2.Qxe3#
      • 1...Kxc5!
    • 1.Sxc7?
      • threat
        • 2.Sxe6#
        • 2.Qe5#
      • 1...Rxc5
        • 2.Qxc3#
      • 1...Bxc4
        • 2.Qe5#
      • 1...Sxf4
        • 2.Qe5#
      • 1...Sxc5
        • 2.Qxc3#
        • 2.Qe5#
      • 1...Sxc7
        • 2.Qe5#
      • 1...Se3
        • 2.Sxe6#
        • 2.Qxe3#
      • 1...Sg5
        • 2.Qe5#
      • 1...Sg7
        • 2.Qe5#
      • 1...Sd8
        • 2.Qe5#
      • 1...Sf8
        • 2.Qe5#
      • 1...Kxc5!
    • 1.Se7?
      • threat
        • 2.Qe5#
      • 1...Rxc5
        • 2.Qxc3#
      • 1...Se3
        • 2.Qxe3#
      • 1...Kxc5!
    • 1.Bxb6?
      • threat
        • 2.Qxc3#
        • 2.Qe5#
      • 1...c6
        • 2.Qe5#
      • 1...Sd2
        • 2.Qe3#
        • 2.Qe5#
      • 1...Se3
        • 2.Qxc3#
        • 2.Qxe3#
        • 2.fxe3#
      • 1...cxb6!
  • Keys
    • 1.Sdxb6!
      • threat
        • 2.Qe5#
      • 1...Kxc5
        • 2.Sd5#
      • 1...Rxc5
        • 2.Qxc3#
      • 1...Se3
        • 2.Qxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • S(a);N_GUARD::QAB1(A)
    • S(a);N_GUARD::QAB1(A),XS(a)
  • Tries
    • Try
      • S(G);XP(h)
      • Threat
        • QAB1(A),XP(c)
      • Vars
        • K(d);S_FLIGHT,XP(I)::B(K)+S(G)
        • R(e);SBLOCK,XP(I)::QAB1(A)
        • S(a);N_GUARD::QAB1(A)
      • Refutation
        • B(b);
    • Try
      • S(J);XP(c)
      • Threat
        • QAB1(A)
      • Vars
        • R(e);SBLOCK,XP(I)::S(J)
        • S(a);N_GUARD::QAB1(A),XS(a)
      • Refutation
        • K(d);P_SPINP(h),S_FLIGHT,XP(I)
    • Try
      • S(J);
      • Threat
        • QAB1(A)
      • Vars
        • R(e);SBLOCK,XP(I)::QAB1(A),XP(c)
        • S(a);N_GUARD::QAB1(A),XS(a)
      • Refutation
        • K(d);P_SPINP(h),S_FLIGHT,XP(I)
    • Try
      • S(J);
      • Threat
        • QAB1(A)
      • Vars
        • R(e);SBLOCK,XP(I)::QAB1(A),XP(c)
        • S(a);N_GUARD::QAB1(A),XS(a)
      • Refutation
        • K(d);P_SPINP(h),S_FLIGHT,XP(I)
    • Try
      • S(J);XP(j)
      • Threat
        • DUALS(2)
      • Vars
        • R(e);P_PINS(J),SBLOCK,XP(I)::QAB1(A),XP(c)
        • B(b);XS(G)::QAB1(A)
        • S(i);XP(H)::QAB1(A)
        • S(i);XS(J)::QAB1(A)
        • S(i);::QAB1(A)
      • Refutation
        • K(d);P_SPINP(h),S_FLIGHT,XP(I)
    • Try
      • S(J);
      • Threat
        • QAB1(A)
      • Vars
        • R(e);SBLOCK,XP(I)::QAB1(A),XP(c)
        • S(a);N_GUARD::QAB1(A),XS(a)
      • Refutation
        • K(d);P_SPINP(h),S_FLIGHT,XP(I)
    • Try
      • B(K);XP(h)
      • Threat
        • DUALS(2)
      • Vars
        • P(j);::QAB1(A)
      • Refutation
        • P(j);XB(K)
  • Actual
    • S(J);XP(h)
    • Threat
      • QAB1(A)
    • Vars
      • K(d);S_FLIGHT,XP(I)::B(K)+S(J)
      • R(e);SBLOCK,XP(I)::QAB1(A),XP(c)
      • S(a);N_GUARD::QAB1(A),XS(a)
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