MESON Chess Problem Database

Problem Display
PID: 18807 (2K5/4P3/R1p1p3/1Bp5/2b1k1p1/2rRP3/N6B/1qbn1QN1 w - - 0 1)

Maslar, Slobodan

Maslar, Zdravko

1st Prize, Partizan, 1958

2K5/4P3/R1p1p3/1Bp5/2b1k1p1/2rRP3/N6B/1qbn1QN1

#2

10 + 10

1111 Busmen's Chess Review 1961
3147 Chess Problems: Introduction to an Art 1963
15522 Atelier 64 (Maslar) 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Bxa2
      • 2.Qf4#
    • 1...Bb3
      • 2.Qf4#
    • 1...Bd5
      • 2.Qf4#
    • 1...Sb2
      • 2.Sxc3#
    • 1...Sxe3
      • 2.Sxc3#
  • Tries
    • 1.Rd4+?
      • 1...Kxe3
        • 2.Qf4#
      • 1...cxd4!
  • Keys
    • 1.Rd5!
      • threat
        • 2.Re5#
      • 1...Kxe3
        • 2.Qf4#
      • 1...Kxd5
        • 2.Bxc6#
      • 1...Rxe3
        • 2.Qxc4#
      • 1...Bxe3
        • 2.Qg2#
      • 1...Bxd5
        • 2.Qf4#
      • 1...Sxe3
        • 2.Sxc3#
      • 1...cxd5
        • 2.Rxe6#
      • 1...exd5
        • 2.e8Q#
        • 2.e8R#
      • 1...g3
        • 2.Qf3#
      • 1...e5
        • 2.Rxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 3
  • Sets
    • B(e);XS(C)::QAR1(A)
    • B(e);::QAR1(A)
    • S(c);N_GUARD::S(C),XR(d)
    • S(c);N_GUARD,XP(F)::S(C),XR(d)
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • K(f);P-FLIGHT,XP(F)::QAB1(A)
      • Refutation
        • P(h);XR(E)
  • Actual
    • R(E);
    • Threat
      • R1(E)
    • Vars
      • K(f);P-FLIGHT,XP(F)::QAB1(A)
      • K(f);OGATEB,S_FLIGHT,XR(E)::B(G),XP(i)
      • R(d);N_GUARD,SBLOCK,XP(F)::QAR2(A),XB(e)
      • B(b);SBLOCK,XP(F)::QAB(A)
      • B(e);SBLOCK,XR(E)::QAR1(A)
      • S(c);N_GUARD,SBLOCK,XP(F)::S(C),XR(d)
      • P(i);OGATE,SBLOCK,XR(E)::R(H),XP(j)
      • P(j);SBLOCK,XR(E)::P=Q
      • P(g);N_GUARD::QAB1(A)
      • P(j);::R1(E),XP(j)
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