MESON Chess Problem Database

Problem Display
PID: 199989 (8/8/1p6/1pk5/1Rp1PB2/Q7/K7/8 w - - 0 1)

Daubler, Heinz

Der neue Tag (Weiden)/Amberger Zeitung, 2001

(First published on Sat Oct 13 2001)

8/8/1p6/1pk5/1Rp1PB2/Q7/K7/8

#2

5 + 4

16210 Problemschach-Jahrbuch (2001) 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qe3#
    • 1...c3
      • 2.Qxc3#
  • Tries
    • 1.Ka1?
      • 1...Kd4
        • 2.Qe3#
      • 1...c3
        • 2.Qxc3#
      • 1...Kc6!
    • 1.Kb1?
      • 1...Kd4
        • 2.Qe3#
      • 1...c3
        • 2.Qxc3#
      • 1...Kc6!
    • 1.Kb2?
      • 1...c3+
        • 2.Qxc3#
      • 1...Kd4
        • 2.Qe3#
      • 1...Kc6!
    • 1.Be5?
      • 1...c3
        • 2.Qxc3#
      • 1...Kc6!
    • 1.Qc1?
      • 1...Kxb4
        • 2.Qa3#
      • 1...Kd4
        • 2.Qe3#
      • 1...c3
        • 2.Qxc3#
      • 1...Kc6!
    • 1.Qb2?
      • 1...c3
        • 2.Qxc3#
      • 1...Kc6!
    • 1.Qd3?
      • threat
        • 2.Qd6#
      • 1...Kxb4
        • 2.Qa3#
      • 1...Kc6
        • 2.Qd5#
      • 1...cxd3!
    • 1.Qe3+?
      • 1...Kxb4
        • 2.Qa3#
      • 1...Kc6!
    • 1.Qf3?
      • 1...Kxb4
        • 2.Qa3#
      • 1...Kd4
        • 2.Qe3#
      • 1...c3
        • 2.Qxc3#
      • 1...Kc6!
    • 1.Qg3?
      • 1...Kxb4
        • 2.Qa3#
      • 1...Kd4
        • 2.Qe3#
      • 1...c3
        • 2.Qxc3#
      • 1...Kc6!
    • 1.Qa6?
      • 1...Kxb4
        • 2.Qa3#
      • 1...Kc6
        • 2.Qc8#
      • 1...c3
        • 2.Qxb5#
      • 1...Kd4!
  • Keys
    • 1.Qh3!
      • 1...Kxb4
        • 2.Qa3#
      • 1...Kd4
        • 2.Qe3#
      • 1...Kc6
        • 2.Qc8#
      • 1...c3
        • 2.Qxc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);P_SPINP(a),S_FLIGHT::QAB1(B)
    • P(a);OGATEB::QAR2(B),XP(a)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(c);P_SPINP(a),S_FLIGHT::QAB1(B)
        • P(a);OGATEB::QAR2(B),XP(a)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(c);P_SPINP(a),S_FLIGHT::QAB1(B)
        • P(a);OGATEB::QAR2(B),XP(a)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(a);CHECK,OGATEB::QAR2(B),XP(a)
        • K(c);P_SPINP(a),S_FLIGHT::QAB1(B)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • B(E);
      • Vars
        • P(a);OGATEB::QAR2(B),XP(a)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(B);P_PINP(a)
      • Vars
        • K(c);N_SPINP(a),OGATEB,S_FLIGHT,XR(C)::QAB1(B)
        • K(c);S_FLIGHT::QAB1(B)
        • P(a);OGATEB::QAR2(B),XP(a)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • P(a);OGATEB::QAR2(B),XP(a)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • K(c);OGATEB,S_FLIGHT,XR(C)::QAB1(B)
        • K(c);P-FLIGHT::QAB1(B)
      • Refutation
        • P(a);XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);OGATEB,S_FLIGHT,XR(C)::QAB1(B)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(c);OGATEB,S_FLIGHT,XR(C)::QAB1(B)
        • K(c);P_SPINP(a),S_FLIGHT::QAB1(B)
        • P(a);OGATEB::QAR2(B),XP(a)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(c);OGATEB,S_FLIGHT,XR(C)::QAB1(B)
        • K(c);P_SPINP(a),S_FLIGHT::QAB1(B)
        • P(a);OGATEB::QAR2(B),XP(a)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(c);OGATEB,S_FLIGHT,XR(C)::QAB1(B)
        • K(c);P-FLIGHT,P_SPINP(d)::QAR2(B)
        • P(a);::QAR1(B),XP(b)
      • Refutation
        • K(c);P_SPINP(a),S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(c);OGATEB,S_FLIGHT,XR(C)::QAB1(B)
      • K(c);P_SPINP(a),S_FLIGHT::QAB1(B)
      • K(c);P-FLIGHT::QAR2(B)
      • P(a);OGATEB::QAR2(B),XP(a)
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