MESON Chess Problem Database

Problem Display
PID: 239702 (4RQ2/7p/6pK/8/RB1PP3/1B2k3/1P6/2b1NnN1 w - - 0 1)

Szoghy, Jozsef

Magyar Sakkelet, 1957

4RQ2/7p/6pK/8/RB1PP3/1B2k3/1P6/2b1NnN1

#2

11 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd4+
      • 2.Bd2#
  • Tries
    • 1.Sh3?
      • threat
        • 2.Qf2#
      • 1...Kxd4+
        • 2.Bd2#
      • 1...Ke2+!
    • 1.Bd2+?
      • 1...Kxd2
        • 2.Qf2#
      • 1...Bxd2
        • 2.Qf3#
      • 1...Sxd2!
    • 1.Bd6?
      • threat
        • 2.Qf4#
      • 1...Kd2
        • 2.Qf2#
      • 1...g5!
    • 1.Qf4+?
      • 1...Kxd4
        • 2.Se2#
        • 2.Sgf3#
        • 2.Ba3#
        • 2.Bd6#
        • 2.Be7#
        • 2.Bf8#
        • 2.Rd8#
      • 1...Kxf4!
  • Keys
    • 1.Be7!
      • threat
        • 2.Bg5#
      • 1...Kxe4+
        • 2.Bg5#
      • 1...Kd2
        • 2.Qf2#
      • 1...g5
        • 2.Bxg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(c);CHECK,S_FLIGHT,XP(G)::R(E)+B(F)
  • Tries
    • Try
      • S(B);
      • Threat
        • QAB1(K)
      • Vars
        • K(c);CHECK,S_FLIGHT,XP(G)::R(E)+B(F)
      • Refutation
        • K(c);CHECK,P-FLIGHT
    • Try
      • B(F);CHECK
      • Vars
        • K(c);S_FLIGHT,XB(F)::QAR2(K)
        • B(a);SBLOCK,XB(F)::QAR1(K)
      • Refutation
        • S(b);XB(F)
    • Try
      • B(F);
      • Threat
        • QAB1(K)
      • Vars
        • K(c);S_FLIGHT::QAR2(K)
      • Refutation
        • P(d);
    • Try
      • Q(K);CHECK
      • Refutation
        • K(c);S_FLIGHT,XQ(K)
  • Actual
    • B(F);
    • Threat
      • B(F)
    • Vars
      • K(c);CHECK,P-FLIGHT,XP(H)::R(J)+B(F)
      • K(c);S_FLIGHT::QAR2(K)
      • P(d);::B(F),XP(d)
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