MESON Chess Problem Database

Problem Display
PID: 231626 (8/8/1N6/4P3/5K2/3kp3/BP1p4/3Q4 w - - 0 1)

Teiner, Jozsef

Bekes, 1927

8/8/1N6/4P3/5K2/3kp3/BP1p4/3Q4

#2

6 + 3

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sc4?
      • 1...e2
        • 2.Qxd2#
      • 1...Kd4!
    • 1.Qb3+?
      • 1...Kd4
        • 2.Qc4#
        • 2.Qd5#
        • 2.Qc3#
        • 2.Qxe3#
      • 1...Ke2!
    • 1.Qf3?
      • 1...Kd4
        • 2.Qd5#
        • 2.Qxe3#
      • 1...d1Q
        • 2.Qxd1#
      • 1...d1S
        • 2.Qxd1#
      • 1...d1B
        • 2.Qxd1#
      • 1...d1R
        • 2.Qxd1#
      • 1...Kc2!
    • 1.Qa4?
      • threat
        • 2.Qc4#
      • 1...d1Q
        • 2.Qxd1#
      • 1...d1S
        • 2.Qxd1#
      • 1...d1B
        • 2.Qxd1#
      • 1...d1R
        • 2.Qxd1#
      • 1...Ke2!
    • 1.Qf1+?
      • 1...Kc2
        • 2.Qb1#
      • 1...Kd4
        • 2.Qc4#
      • 1...e2!
    • 1.Qh1?
      • 1...Kc2
        • 2.Qb1#
      • 1...Kd4
        • 2.Qd5#
      • 1...d1Q
        • 2.Qxd1#
      • 1...d1S
        • 2.Qxd1#
      • 1...d1B
        • 2.Qxd1#
      • 1...d1R
        • 2.Qxd1#
      • 1...e2
        • 2.Qe4#
      • 1...Ke2!
  • Keys
    • 1.Qg1!
      • 1...Kc2
        • 2.Qb1#
      • 1...Ke2
        • 2.Bc4#
      • 1...Kd4
        • 2.Qxe3#
      • 1...d1Q
        • 2.Qxd1#
      • 1...d1S
        • 2.Qxd1#
      • 1...d1B
        • 2.Qxd1#
      • 1...d1R
        • 2.Qxd1#
      • 1...e2
        • 2.Bb1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Vars
        • P(c);N_GUARD::QAR1(A),XP(a)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);CHECK,N_PINP(a)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);N_PINP(a),P_PINP(c)
      • Vars
        • P(a);OGATEB::QAR2(A),XQ(a)
        • P(a);OGATEB::QAR2(A),XS(a)
        • P(a);OGATEB::QAR2(A),XB(a)
        • P(a);OGATEB::QAR2(A),XR(a)
      • Refutation
        • K(b);N_SPINP(c),S_FLIGHT
    • Try
      • Q(A);N_PINP(a)
      • Threat
        • QAB1(A)
      • Vars
        • P(a);OGATEB::QAR2(A),XQ(a)
        • P(a);OGATEB::QAR2(A),XS(a)
        • P(a);OGATEB::QAR2(A),XB(a)
        • P(a);OGATEB::QAR2(A),XR(a)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);CHECK,N_PINP(a)
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
        • K(b);OGATE,P-FLIGHT::QAR1(A)
      • Refutation
        • P(c);P_SPINP(c)
    • Try
      • Q(A);N_PINP(a)
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
        • K(b);P-FLIGHT::QAR1(A)
        • P(a);OGATEB::QAR2(A),XQ(a)
        • P(a);OGATEB::QAR2(A),XS(a)
        • P(a);OGATEB::QAR2(A),XB(a)
        • P(a);OGATEB::QAR2(A),XR(a)
        • P(c);::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(A);N_PINP(a)
    • Vars
      • K(b);S_FLIGHT::QAB1(A)
      • K(b);S_FLIGHT::B(B)
      • K(b);P-FLIGHT,P_SPINP(c)::QAB1(A),XP(c)
      • P(a);OGATEB::QAR2(A),XQ(a)
      • P(a);OGATEB::QAR2(A),XS(a)
      • P(a);OGATEB::QAR2(A),XB(a)
      • P(a);OGATEB::QAR2(A),XR(a)
      • P(c);SBLOCK::B(B)
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