MESON Chess Problem Database

Problem Display
PID: 275114 (2B5/2b3R1/3k2pR/1K2N2p/1PP2n2/3N3p/3Qp1n1/1r2r2b w - - 0 1)

Maleika, Gerhard

Garzon-60 JT (Problemas), 2023

2B5/2b3R1/3k2pR/1K2N2p/1PP2n2/3N3p/3Qp1n1/1r2r2b

#2

9 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb4+
      • 2.Qxb4#
    • 1...Sd5
      • 2.c5#
    • 1...Se6
      • 2.Rd7#
  • Tries
    • 1.Bxh3?
      • threat
        • 2.Rd7#
      • 1...Rxb4+
        • 2.Qxb4#
      • 1...Sxh3
        • 2.Rhxg6#
      • 1...Sxd3!
    • 1.Bf5?
      • threat
        • 2.Rd7#
      • 1...Rxb4+
        • 2.Qxb4#
      • 1...Sxd3!
    • 1.Rhxg6+?
      • 1...Se6
        • 2.Rxe6#
        • 2.Rd7#
      • 1...Sxg6!
  • Keys
    • 1.Sxg6!
      • threat
        • 2.Sdxf4#
        • 2.Sgxf4#
      • 1...Rxb4+
        • 2.Qxb4#
      • 1...Sxd3
        • 2.Qxd3#
      • 1...Sxg6
        • 2.Rhxg6#
      • 1...Rbd1
        • 2.Sgxf4#
      • 1...Rb2
        • 2.Sgxf4#
      • 1...Rb3
        • 2.Sgxf4#
      • 1...Red1
        • 2.Sgxf4#
      • 1...Bb6
        • 2.Sgxf4#
      • 1...Bd8
        • 2.Sdxf4#
      • 1...Se3
        • 2.Sgxf4#
      • 1...Sh4
        • 2.Qxf4#
      • 1...Sd5
        • 2.c5#
      • 1...Se6
        • 2.Rd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • R(a);CHECK,OGATE,XP(C)::QAB(A),XR(a)
    • S(g);SBLOCK::P(D)
    • S(g);N_SPINP(j),SBLOCK::R1(H)
  • Tries
    • Try
      • B(I);XP(f)
      • Threat
        • R1(H)
      • Vars
        • R(a);CHECK,OGATE,XP(C)::QAB(A),XR(a)
        • S(g);N_GUARD,XB(I)::R(G),XP(j)
      • Refutation
        • S(g);P_SPINS(g),XS(B)
    • Try
      • B(I);
      • Threat
        • R1(H)
      • Vars
        • R(a);CHECK,OGATE,XP(C)::QAB(A),XR(a)
      • Refutation
        • S(g);P_SPINS(g),XS(B)
    • Try
      • R(G);CHECK,XP(j)
      • Refutation
        • S(g);XR(G)
  • Actual
    • S(F);XP(j)
    • Threat
      • DUALS(2)
    • Vars
      • R(a);CHECK,OGATE,XP(C)::QAB(A),XR(a)
      • S(g);OGATE,P_SPINS(g),XS(B)::QAR(A),XS(g)
      • S(g);OGATE,P_SPINS(g),XS(F)::R(G),XS(g)
      • R(a);N_PINP(C)::R(G)+S(F),XS(g)
      • R(a);::R(G)+S(F),XS(g)
      • R(b);::R(G)+S(F),XS(g)
      • B(k);::R(G)+S(F),XS(g)
      • B(k);::QAR(A)+S(B),XS(g)
      • S(e);::R(G)+S(F),XS(g)
      • S(e);N_GUARD::QAB(A),XS(g)
      • S(g);SBLOCK::P(D)
      • S(g);SBLOCK::R1(H)
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