MESON Chess Problem Database

Problem Display
PID: 241701 (8/8/3K4/3p4/4k1B1/3r4/2QB4/8 w - - 0 1)

Mlynka, Karol

Kudesnik, 2007

8/8/3K4/3p4/4k1B1/3r4/2QB4/8

#2

4 + 3

5454 Near Snap 2021
15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qa4#
    • 1...d4
      • 2.Qc6#
  • Tries
    • 1.Ke6?
      • 1...d4
        • 2.Qc6#
      • 1...Kd4!
    • 1.Bc1?
      • 1...d4
        • 2.Qc6#
      • 1...Kd4!
    • 1.Bg5?
      • 1...d4
        • 2.Qc6#
      • 1...Kd4!
    • 1.Bh6?
      • 1...d4
        • 2.Qc6#
      • 1...Kd4!
    • 1.Be2?
      • threat
        • 2.Qxd3#
      • 1...Kd4
        • 2.Qxd3#
        • 2.Qa4#
      • 1...Kf5!
    • 1.Bh3?
      • 1...Kd4
        • 2.Qa4#
      • 1...d4
        • 2.Qc6#
      • 1...Kf3!
    • 1.Be6?
      • 1...Kd4
        • 2.Qa4#
      • 1...d4
        • 2.Qc6#
      • 1...Kf3!
    • 1.Bd7?
      • 1...Kd4
        • 2.Qa4#
      • 1...d4
        • 2.Qc6#
      • 1...Kf3!
    • 1.Bc8?
      • 1...Kd4
        • 2.Qa4#
      • 1...d4
        • 2.Qc6#
      • 1...Kf3!
    • 1.Qa4+?
      • 1...d4
        • 2.Qc6#
        • 2.Qe8#
        • 2.Qa8#
      • 1...Rd4!
    • 1.Qc4+?
      • 1...Rd4
        • 2.Qe2#
      • 1...d4
        • 2.Qd5#
        • 2.Qe6#
        • 2.Qc6#
      • 1...dxc4+!
  • Keys
    • 1.Qb1!
      • 1...Kd4
        • 2.Qb4#
      • 1...d4
        • 2.Qb7#

Anticipated by 241985(1933), 16270(2000)

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINR(a),P-FLIGHT::QAR(A)
    • P(c);OGATEB,SBLOCK::QAB(A)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • P(c);OGATEB,SBLOCK::QAB(A)
      • Refutation
        • K(b);N_SPINR(a),P-FLIGHT
    • Try
      • B(B);
      • Vars
        • P(c);OGATEB,SBLOCK::QAB(A)
      • Refutation
        • K(b);N_SPINR(a),P-FLIGHT
    • Try
      • B(B);
      • Vars
        • P(c);OGATEB,SBLOCK::QAB(A)
      • Refutation
        • K(b);N_SPINR(a),P-FLIGHT
    • Try
      • B(B);
      • Vars
        • P(c);OGATEB,SBLOCK::QAB(A)
      • Refutation
        • K(b);N_SPINR(a),P-FLIGHT
    • Try
      • B(C);
      • Threat
        • QAB1(A),XR(a)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(b);N_SPINR(a),P-FLIGHT::QAR(A)
        • P(c);OGATEB,SBLOCK::QAB(A)
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(b);N_SPINR(a),P-FLIGHT::QAR(A)
        • P(c);OGATEB,SBLOCK::QAB(A)
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(b);N_SPINR(a),P-FLIGHT::QAR(A)
        • P(c);OGATEB,SBLOCK::QAB(A)
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(b);N_SPINR(a),P-FLIGHT::QAR(A)
        • P(c);OGATEB,SBLOCK::QAB(A)
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • Q(A);CHECK,N_PINR(a)
      • Refutation
        • R(a);P_SPINR(a)
    • Try
      • Q(A);CHECK,N_PINR(a)
      • Vars
        • R(a);OGATE,P_SPINR(a),SBLOCK::QAR2(A)
      • Refutation
        • P(c);CHECK,XQ(A)
  • Actual
    • Q(A);
    • Vars
      • K(b);N_SPINR(a),P-FLIGHT::QAR2(A)
      • P(c);OGATEB,SBLOCK::QAB(A)
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