MESON Chess Problem Database

Problem Display
PID: 191286 (4Q1Kn/2pp4/q1Rr1k1N/1Pp3pp/3N1rpn/1P6/1BP1P2b/5R1b w - - 0 1)

Uris, Miguel

BCPS Website, 2019

4Q1Kn/2pp4/q1Rr1k1N/1Pp3pp/3N1rpn/1P6/1BP1P2b/5R1b

#2

11 + 14

SOLUTION

  • SOUND
  • Sets
    • 1...Qxb5
      • 2.Sxb5#
    • 1...Rxc6
      • 2.Sxc6#
      • 2.Se6#
    • 1...Re6
      • 2.Sxe6#
    • 1...Be4
      • 2.Sf3#
      • 2.Sdf5#
    • 1...Bd5+
      • 2.Se6#
    • 1...cxd4
      • 2.Bxd4#
  • Tries
    • 1.Kxh8?
      • threat
        • 2.Sg8#
      • 1...cxd4
        • 2.Bxd4#
      • 1...Re6
        • 2.Sxe6#
      • 1...Bd5
        • 2.Se6#
      • 1...Sg6+!
    • 1.Rxf4+?
      • 1...Sf5
        • 2.Sf3#
        • 2.Sdxf5#
        • 2.Rxf5#
      • 1...gxf4
        • 2.Sf3#
      • 1...Bxf4!
    • 1.Rxd6+?
      • 1...cxd6
        • 2.Sc6#
        • 2.Se6#
      • 1...Qxd6!
    • 1.Qe5+?
      • 1...Kg6
        • 2.Qg7#
      • 1...Kxe5!
    • 1.Qe7+?
      • 1...Kg6
        • 2.Qg7#
      • 1...Kxe7!
  • Keys
    • 1.Kh7!
      • threat
        • 2.Sg8#
      • 1...Be4+
        • 2.Sdf5#
      • 1...cxd4
        • 2.Bxd4#
      • 1...Re6
        • 2.Sxe6#
      • 1...Bd5
        • 2.Se6#

This is a version of 191285

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • Q(i);XP(G)::B(B)+S(F),XQ(i)
    • R(j);N_GUARD::B(B)+S(F),XR(j)
    • B(a);CHECK,S_CUTR(j)::B(B)+S(F)
    • P(f);OGATE,P_SPINP(f),XS(F)::B(B),XP(f)
  • Tries
    • Try
      • K(K);P-FLIGHT,XS(n)
      • Threat
        • S(I)
      • Vars
        • P(f);OGATE,P_SPINP(f),XS(F)::B(B),XP(f)
        • R(j);N_GUARD::B(B)+S(F),XR(j)
        • B(a);S_CUTR(j)::B(B)+S(F)
      • Refutation
        • S(e);CHECK
    • Try
      • R(A);CHECK,P_PINR(j),XR(c)
      • Vars
        • P(g);XR(A)::B(B)+S(F)
      • Refutation
        • B(b);XR(A)
    • Try
      • R(H);CHECK,XR(j)
      • Refutation
        • Q(i);XR(H)
    • Try
      • Q(J);CHECK
      • Vars
        • K(k);N_SPINR(c),OGATE,P-FLIGHT,P_SPINR(j)::QAR1(J)
      • Refutation
        • K(k);N_SPINR(c),S_FLIGHT,XQ(J)
    • Try
      • Q(J);CHECK
      • Vars
        • K(k);N_SPINR(c),P-FLIGHT,P_SPINR(j)::QAR1(J)
      • Refutation
        • K(k);N_SPINR(c),S_FLIGHT,XQ(J)
  • Actual
    • K(K);S_FLIGHT
    • Threat
      • S(I)
    • Vars
      • B(a);CHECK::B(B)+S(F)
      • P(f);OGATE,P_SPINP(f),XS(F)::B(B),XP(f)
      • R(j);N_GUARD::B(B)+S(F),XR(j)
      • B(a);S_CUTR(j)::B(B)+S(F)
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