MESON Chess Problem Database

Problem Display
PID: 242003 (8/8/2p2K2/3k4/B5p1/2Q3N1/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1935

8/8/2p2K2/3k4/B5p1/2Q3N1/8/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Qxc6#
    • 1...c5
      • 2.Qd3#
  • Tries
    • 1.Kf5?
      • 1...c5
        • 2.Qd3#
      • 1...Kd6!
    • 1.Se4?
      • threat
        • 2.Bxc6#
        • 2.Qd3#
      • 1...c5
        • 2.Qd3#
      • 1...Kxe4!
    • 1.Sf5?
      • threat
        • 2.Bxc6#
        • 2.Qd4#
        • 2.Qxc6#
      • 1...c5
        • 2.Qd3#
      • 1...Ke4!
    • 1.Sh5?
      • 1...Ke4
        • 2.Bxc6#
      • 1...Kd6
        • 2.Qxc6#
      • 1...c5
        • 2.Qd3#
      • 1...g3!
    • 1.Bb5?
      • threat
        • 2.Qe5#
      • 1...Kd6
        • 2.Qxc6#
      • 1...cxb5!
    • 1.Qc2?
      • 1...Kd6
        • 2.Qxc6#
      • 1...c5
        • 2.Qd3#
      • 1...Kd4!
    • 1.Qc4+?
      • 1...Kd6
        • 2.Qxc6#
      • 1...Kxc4!
  • Keys
    • 1.Se2!
      • threat
        • 2.Qd4#
        • 2.Qxc6#
      • 1...Ke4
        • 2.Bxc6#
      • 1...Kd6
        • 2.Qxc6#
      • 1...c5
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::QAR1(A),XP(c)
    • P(c);SBLOCK::QAR2(A)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • P(c);SBLOCK::QAR2(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);::QAR2(A)
      • Refutation
        • K(b);S_FLIGHT,XS(B)
    • Try
      • S(B);
      • Threat
        • DUALS(3)
      • Vars
        • P(c);SBLOCK::QAR2(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(b);S_FLIGHT::B(C),XP(c)
        • K(b);P-FLIGHT::QAR1(A),XP(c)
        • P(c);SBLOCK::QAR2(A)
      • Refutation
        • P(a);
    • Try
      • B(C);
      • Threat
        • QAR1(A)
      • Vars
        • K(b);P-FLIGHT::QAR1(A),XP(c)
      • Refutation
        • P(c);XB(C)
    • Try
      • Q(A);
      • Vars
        • K(b);P-FLIGHT::QAR1(A),XP(c)
        • P(c);SBLOCK::QAR2(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(A),XP(c)
      • Refutation
        • K(b);S_FLIGHT,XQ(A)
  • Actual
    • S(B);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);S_FLIGHT::B(C),XP(c)
      • K(b);P-FLIGHT::QAR1(A),XP(c)
      • P(c);SBLOCK::QAR2(A)
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