MESON Chess Problem Database

Problem Display
PID: 210216 (8/2N5/rb1BK1p1/4PR2/1Ppk1Nrp/nQ1P1p1q/b2P4/3n4 w - - 0 1)

Maleika, Gerhard

Sachova skladba, 2016

8/2N5/rb1BK1p1/4PR2/1Ppk1Nrp/nQ1P1p1q/b2P4/3n4

#2

10 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Sb2
      • 2.Qc3#
    • 1...Sf2
      • 2.Qc3#
    • 1...Sc3
      • 2.Qxc3#
    • 1...Se3
      • 2.Qc3#
    • 1...Sb1
      • 2.Sb5#
    • 1...Sc2
      • 2.Sb5#
    • 1...Sb5
      • 2.Sxb5#
    • 1...f2
      • 2.Se2#
  • Tries
    • 1.Kf6?
      • threat
        • 2.Sfe6#
        • 2.Sce6#
      • 1...Rxf4
        • 2.Rxf4#
      • 1...Bxb3
        • 2.Sce6#
      • 1...cxb3
        • 2.Sce6#
      • 1...cxd3
        • 2.Qxd3#
      • 1...Sc3
        • 2.Sce6#
        • 2.Qxc3#
      • 1...c3
        • 2.Sce6#
      • 1...Bxc7!
    • 1.Kd7?
      • threat
        • 2.Sfe6#
        • 2.Sce6#
      • 1...Bxb3
        • 2.Sce6#
      • 1...Bxc7
        • 2.Bc5#
      • 1...cxb3
        • 2.Sce6#
      • 1...cxd3
        • 2.Qxd3#
      • 1...Ra7
        • 2.Se6#
      • 1...Sc3
        • 2.Sce6#
        • 2.Qxc3#
      • 1...c3
        • 2.Sce6#
      • 1...Rxf4!
    • 1.Kf7?
      • threat
        • 2.Sfe6#
        • 2.Sce6#
      • 1...Rxf4
        • 2.Rxf4#
      • 1...Bxb3
        • 2.Sce6#
      • 1...Bxc7
        • 2.Bc5#
      • 1...cxb3
        • 2.Sce6#
      • 1...Ra7
        • 2.Se6#
      • 1...Sc3
        • 2.Sce6#
        • 2.Qxc3#
      • 1...c3
        • 2.Sce6#
      • 1...cxd3!
    • 1.Qxc4+?
      • 1...Sxc4
        • 2.Sb5#
      • 1...Bxc4+!
  • Keys
    • 1.Ke7!
      • threat
        • 2.Sfe6#
        • 2.Sce6#
      • 1...Rxf4
        • 2.Rxf4#
      • 1...Bxb3
        • 2.Sce6#
      • 1...Bxc7
        • 2.Bc5#
      • 1...cxb3
        • 2.Sce6#
      • 1...cxd3
        • 2.Qxd3#
      • 1...Ra7
        • 2.Se6#
      • 1...Sc3
        • 2.Sce6#
        • 2.Qxc3#
      • 1...c3
        • 2.Sce6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 8
  • Sets
    • S(a);N_GUARD::QAB1(B)
    • S(a);N_GUARD::QAB1(B),XS(a)
    • S(c);N_GUARD::S(J)
    • S(c);N_GUARD::S(J),XS(c)
    • P(d);N_GUARD::S(E)
  • Tries
    • Try
      • K(I);P-FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • R(h);OGATE,P_PINR(G),XS(E)::R(G),XR(h)
        • B(b);XQ(B)::S(J)
        • P(f);XQ(B)::S(J)
        • P(f);OGATE,XP(C)::QAR1(B),XP(f)
        • P(f);::S(J)
      • Refutation
        • B(k);P_PINB(H),XS(J)
    • Try
      • K(I);S_FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • B(b);XQ(B)::S(J)
        • B(k);N_GUARD,XS(J)::B(H)
        • P(f);XQ(B)::S(J)
        • P(f);OGATE,XP(C)::QAR1(B),XP(f)
        • R(j);P_PINS(J)::S(E)
        • P(f);::S(J)
      • Refutation
        • R(h);P_PINR(G),XS(E)
    • Try
      • K(I);S_FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • R(h);OGATE,P_PINR(G),XS(E)::R(G),XR(h)
        • B(b);XQ(B)::S(J)
        • B(k);N_GUARD,XS(J)::B(H)
        • P(f);XQ(B)::S(J)
        • R(j);P_PINS(J)::S(E)
        • P(f);P_PINQ(B)::S(J)
      • Refutation
        • P(f);P_PINQ(B),XP(C)
    • Try
      • Q(B);CHECK,P_SPINQ(B),XP(f)
      • Vars
        • S(c);XQ(B)::S(J)
      • Refutation
        • B(b);CHECK,XQ(B)
  • Actual
    • K(I);P-FLIGHT
    • Threat
      • DUALS(2)
    • Vars
      • R(h);OGATE,XS(E)::R(G),XR(h)
      • B(b);XQ(B)::S(J)
      • B(k);N_GUARD,XS(J)::B(H)
      • P(f);XQ(B)::S(J)
      • P(f);OGATE,XP(C)::QAR1(B),XP(f)
      • R(j);P_PINS(J)::S(E)
      • P(f);::S(J)
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