MESON Chess Problem Database

Problem Display
PID: 104452 (Q7/2P5/5B1N/3K4/3RPpPR/P3PkP1/5p2/5B2 w - - 0 1)

Mladenovic, Slobodan

Caissa Zvolen, 1989

Q7/2P5/5B1N/3K4/3RPpPR/P3PkP1/5p2/5B2

#2

13 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe3
      • 2.Rd3#
    • 1...Kxg3
      • 2.Rh3#
  • Tries
    • 1.Be5?
      • 1...Kxe3
        • 2.Rd3#
      • 1...Kxg3
        • 2.Rh3#
      • 1...fxe3
        • 2.Qf8#
      • 1...fxg3!
    • 1.Bg5?
      • 1...Kxe3
        • 2.Rd3#
      • 1...Kxg3
        • 2.Rh3#
      • 1...fxg3
        • 2.Qf8#
      • 1...fxe3!
    • 1.Qa6?
      • 1...Kxe3
        • 2.Rd3#
        • 2.Qe2#
        • 2.Qd3#
      • 1...Kxg3
        • 2.Rh3#
      • 1...fxg3
        • 2.Qe2#
      • 1...fxe3!
    • 1.exf4?
      • threat
        • 2.Rd3#
      • 1...Ke3
        • 2.Rd3#
      • 1...Kxg3!
    • 1.gxf4?
      • threat
        • 2.Rh3#
      • 1...Kg3
        • 2.Rh3#
      • 1...Kxe3!
  • Keys
    • 1.Qf8!
      • 1...Kxe3
        • 2.Rd3#
      • 1...Kxg3
        • 2.Rh3#
      • 1...fxe3
        • 2.Be5#
      • 1...fxg3
        • 2.Bg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);OGATEB,P-FLIGHT,XP(C)::R1(E)
    • K(b);OGATEB,P-FLIGHT,XP(D)::R1(H)
  • Tries
    • Try
      • B(J);
      • Vars
        • K(b);OGATEB,P-FLIGHT,XP(C)::R1(E)
        • K(b);OGATEB,P-FLIGHT,P_SPINP(c),XP(D)::R1(H)
        • P(c);OGATEB,SBLOCK,XP(C)::QAR(M)
      • Refutation
        • P(c);XP(D)
    • Try
      • B(J);
      • Vars
        • K(b);OGATEB,P-FLIGHT,P_SPINP(c),XP(C)::R1(E)
        • K(b);OGATEB,P-FLIGHT,XP(D)::R1(H)
        • P(c);OGATEB,SBLOCK,XP(D)::QAR(M)
      • Refutation
        • P(c);XP(C)
    • Try
      • Q(M);
      • Vars
        • K(b);OGATEB,P-FLIGHT,XP(D)::R1(H)
        • P(c);SBLOCK,XP(D)::QAB1(M)
      • Refutation
        • P(c);XP(C)
    • Try
      • P(C);XP(c)
      • Threat
        • R(E)
      • Vars
        • K(b);P-FLIGHT::R1(E)
      • Refutation
        • K(b);P-FLIGHT,XP(D)
    • Try
      • P(D);XP(c)
      • Threat
        • R(H)
      • Vars
        • K(b);P-FLIGHT::R1(H)
      • Refutation
        • K(b);P-FLIGHT,XP(C)
  • Actual
    • Q(M);
    • Vars
      • K(b);OGATEB,P-FLIGHT,XP(C)::R1(E)
      • K(b);OGATEB,P-FLIGHT,XP(D)::R1(H)
      • P(c);OGATEB,SBLOCK,XP(C)::QAR(M)+B(J)
      • P(c);OGATEB,SBLOCK,XP(D)::QAR(M)+B(J)
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