MESON Chess Problem Database

Problem Display
PID: 149785 (qQ6/7B/p7/2PnR3/1p1kN1b1/1K3p2/1n1P1P1B/2R1N1b1 w - - 0 1)

Paslack, Rainer

Troll, 2013

qQ6/7B/p7/2PnR3/1p1kN1b1/1K3p2/1n1P1P1B/2R1N1b1

#2

11 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Rc4#
    • 1...Sd3
      • 2.Sc2#
      • 2.Rc4#
    • 1...Sa4
      • 2.Rc4#
    • 1...Sc4
      • 2.Rxc4#
    • 1...Se3
      • 2.dxe3#
  • Tries
    • 1.Sg3?
      • threat
        • 2.Re4#
      • 1...Sc4
        • 2.Rxc4#
      • 1...Bf5
        • 2.Sxf5#
      • 1...Sc3
        • 2.Sc2#
      • 1...Se3
        • 2.dxe3#
      • 1...Sf4
        • 2.Sc2#
      • 1...Sb6
        • 2.Sc2#
      • 1...Sf6
        • 2.Sc2#
      • 1...Se7
        • 2.Sc2#
      • 1...Sc7!
    • 1.Sd6?
      • threat
        • 2.Re4#
      • 1...Sc4
        • 2.Rxc4#
      • 1...Bf5
        • 2.Sxf5#
      • 1...Sc3
        • 2.Sc2#
      • 1...Se3
        • 2.dxe3#
      • 1...Sb6
        • 2.Sc2#
      • 1...Sf6
        • 2.Sc2#
      • 1...Sc7
        • 2.Sc2#
      • 1...Se7
        • 2.Sc2#
      • 1...Sf4!
    • 1.Sf6?
      • threat
        • 2.Re4#
      • 1...Sxf6
        • 2.Sc2#
      • 1...Sc4
        • 2.Rxc4#
      • 1...Sc3
        • 2.Sc2#
      • 1...Se3
        • 2.dxe3#
      • 1...Sf4
        • 2.Sc2#
      • 1...Sb6
        • 2.Sc2#
      • 1...Sc7
        • 2.Sc2#
      • 1...Se7
        • 2.Sc2#
      • 1...Bf5!
    • 1.Rxd5+?
      • 1...Kxd5
        • 2.Qd6#
      • 1...Qxd5+!
    • 1.Qxb4+?
      • 1...Sc4
        • 2.Rxc4#
        • 2.Qxc4#
      • 1...Sxb4!
  • Keys
    • 1.Sg5!
      • threat
        • 2.Re4#
      • 1...Sc4
        • 2.Rxc4#
      • 1...Bf5
        • 2.Sgxf3#
      • 1...Sc3
        • 2.Sc2#
      • 1...Se3
        • 2.dxe3#
      • 1...Sf4
        • 2.Sc2#
      • 1...Sb6
        • 2.Sc2#
      • 1...Sf6
        • 2.Sc2#
      • 1...Sc7
        • 2.Sc2#
      • 1...Se7
        • 2.Sc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 2
  • Sets
    • S(b);N_GUARD::R1(A)
    • S(b);N_GUARD::R1(A),XS(b)
    • S(g);OGATE::P(C),XS(g)
  • Tries
    • Try
      • S(G);
      • Threat
        • R1(I)
      • Vars
        • S(b);N_GUARD::R1(A),XS(b)
        • B(f);N_GUARD::S(G),XB(f)
        • S(g);::S(B)
        • S(g);OGATE::P(C),XS(g)
      • Refutation
        • S(g);
    • Try
      • S(G);
      • Threat
        • R1(I)
      • Vars
        • S(b);N_GUARD::R1(A),XS(b)
        • B(f);N_GUARD::S(G),XB(f)
        • S(g);::S(B)
        • S(g);OGATE::P(C),XS(g)
      • Refutation
        • S(g);
    • Try
      • S(G);
      • Threat
        • R1(I)
      • Vars
        • S(g);XS(G)::S(B)
        • S(b);N_GUARD::R1(A),XS(b)
        • S(g);::S(B)
        • S(g);OGATE::P(C),XS(g)
      • Refutation
        • B(f);
    • Try
      • R(I);CHECK,XS(g)
      • Vars
        • K(e);P-FLIGHT,XR(I)::QAR1(K)
      • Refutation
        • Q(i);CHECK,XR(I)
    • Try
      • Q(K);CHECK,XP(d)
      • Refutation
        • S(g);XQ(K)
  • Actual
    • S(G);
    • Threat
      • R1(I)
    • Vars
      • S(b);N_GUARD::R1(A),XS(b)
      • B(f);N_GUARD::S(G),XP(c)
      • S(g);::S(B)
      • S(g);OGATE::P(C),XS(g)
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