MESON Chess Problem Database

Problem Display
PID: 99627 (8/8/8/K7/2p5/k1N5/Br6/2Q5 w - - 0 1)

Telkes, Imre

Magyar Sakkvilag, 1926

8/8/8/K7/2p5/k1N5/Br6/2Q5

#2

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sd1?
      • threat
        • 2.Qxb2#
      • 1...Kxa2
        • 2.Qxb2#
      • 1...c3!
    • 1.Sa4?
      • threat
        • 2.Qxb2#
      • 1...Kxa2
        • 2.Qxb2#
      • 1...c3!
  • Keys
    • 1.Qa1!
      • 1...Rb5+
        • 2.Sxb5#
      • 1...Rxa2
        • 2.Qxa2#
      • 1...Rb1
        • 2.Sxb1#
      • 1...Rc2
        • 2.Sb1#
        • 2.Sb5#
      • 1...Rd2
        • 2.Sb1#
        • 2.Sb5#
      • 1...Re2
        • 2.Sb1#
        • 2.Sb5#
      • 1...Rf2
        • 2.Sb1#
        • 2.Sb5#
      • 1...Rg2
        • 2.Sb1#
        • 2.Sb5#
      • 1...Rh2
        • 2.Sb1#
        • 2.Sb5#
      • 1...Rb3
        • 2.Bb1#
      • 1...Rb4
        • 2.Bxc4#
      • 1...Rb6
        • 2.Bxc4#
      • 1...Rb7
        • 2.Bxc4#
      • 1...Rb8
        • 2.Bxc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • QAB1(A),XR(a)
      • Vars
        • K(b);N_SPINR(a),P-FLIGHT,XB(B)::QAR1(A),XR(a)
      • Refutation
        • P(c);
    • Try
      • S(C);
      • Threat
        • QAB1(A),XR(a)
      • Vars
        • K(b);N_SPINR(a),P-FLIGHT,XB(B)::QAR1(A),XR(a)
      • Refutation
        • P(c);
  • Actual
    • Q(A);N_PINR(a)
    • Vars
      • R(a);CHECK,N_GUARD::S(C),XR(a)
      • R(a);OGATE,P_SPINR(a),XB(B)::QAR1(A),XR(a)
      • R(a);N_GUARD::S(C),XR(a)
      • R(a);N_GUARD,SBLOCK::QAR(A)+B(B)
      • R(a);N_GUARD::QAR(A)+B(B),XP(c)
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