MESON Chess Problem Database

Problem Display
PID: 60225 (1b6/5K2/1p1P2N1/1P1k4/1Q6/2RPpp1n/b7/1Nq1n1R1 w - - 0 1)

Mlynka, Karol

2nd Prize, Schach-Echo, 1970

1b6/5K2/1p1P2N1/1P1k4/1Q6/2RPpp1n/b7/1Nq1n1R1

#2

9 + 9

3751 FIDE Album (1968-1970) 1977

SOLUTION

  • SOUND
  • Sets
    • 1...Qxc3
      • 2.Sxc3#
    • 1...Bxd6
      • 2.Qe4#
    • 1...Sxd3
      • 2.Rxd3#
    • 1...Sf2
      • 2.Rg5#
    • 1...Sf4
      • 2.Rg5#
    • 1...Sg5+
      • 2.Rxg5#
  • Tries
    • 1.Kf6?
      • threat
        • 2.Se7#
      • 1...Qxc3+
        • 2.Sxc3#
      • 1...Bxd6
        • 2.Qe4#
      • 1...Bc4!
    • 1.Sf4+?
      • 1...Sxf4
        • 2.Rg5#
      • 1...Ke5+!
    • 1.Rg4?
      • threat
        • 2.Rd4#
        • 2.Qd4#
      • 1...Sg5+
        • 2.Rxg5#
      • 1...Qxc3
        • 2.Sxc3#
      • 1...Bc4
        • 2.dxc4#
      • 1...Sf4
        • 2.Rg5#
      • 1...Sc2!
  • Keys
    • 1.Ke7!
      • threat
        • 2.Qe4#
      • 1...Bxd6+
        • 2.Qxd6#
      • 1...Qxc3
        • 2.Sxc3#
      • 1...Sxd3
        • 2.Rxd3#
      • 1...Bc4
        • 2.Qxc4#
      • 1...Sf2
        • 2.Rg5#
      • 1...Sg5
        • 2.Rxg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • Q(a);XR(C)::S(A),XQ(a)
    • B(i);SBLOCK,XP(G)::QAB1(E)
    • S(b);OGATE,XP(D)::R(C),XS(b)
    • S(f);N_GUARD::R(B)
    • S(f);CHECK,N_GUARD::R(B),XS(f)
  • Tries
    • Try
      • K(I);P-FLIGHT
      • Threat
        • S(H)
      • Vars
        • Q(a);CHECK,XR(C)::S(A),XQ(a)
        • B(i);SBLOCK,XP(G)::QAB1(E)
      • Refutation
        • B(c);
    • Try
      • S(H);CHECK
      • Vars
        • S(f);XS(H)::R(B)
      • Refutation
        • K(g);CHECK,P-FLIGHT
    • Try
      • R(B);
      • Threat
        • DUALS(2)
      • Vars
        • S(f);CHECK,N_GUARD::R(B),XS(f)
        • Q(a);XR(C)::S(A),XQ(a)
        • B(c);OGATE::P(D),XB(c)
        • S(f);N_GUARD::R(B)
      • Refutation
        • S(b);
  • Actual
    • K(I);P-FLIGHT
    • Threat
      • QAB1(E)
    • Vars
      • B(i);CHECK,OGATE,XP(G)::QAR1(E),XB(i)
      • Q(a);XR(C)::S(A),XQ(a)
      • S(b);OGATE,XP(D)::R(C),XS(b)
      • B(c);N_GUARD::QAB1(E),XB(c)
      • S(f);N_GUARD::R(B)
      • S(f);N_GUARD::R(B),XS(f)
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