MESON Chess Problem Database

Problem Display
PID: 49725 (8/B7/4R3/3N4/2k5/1r4p1/Q5K1/8 w - - 0 1)

Groeneveld, Cornelis

Comm., The Problemist, 1999/II

8/B7/4R3/3N4/2k5/1r4p1/Q5K1/8

#2

5 + 3

102 Probleemblad 2003

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qe2#
    • 1...Kb5
      • 2.Qa6#
    • 1...Kxd5
      • 2.Qxb3#
  • Tries
    • 1.Kf1?
      • 1...Kd3
        • 2.Qe2#
      • 1...Kb5
        • 2.Qa6#
      • 1...Kxd5
        • 2.Qxb3#
      • 1...g2+!
    • 1.Kg1?
      • 1...Kd3
        • 2.Qe2#
      • 1...Kb5
        • 2.Qa6#
      • 1...Kxd5
        • 2.Qxb3#
      • 1...g2!
    • 1.Kh1?
      • 1...Kd3
        • 2.Qe2#
      • 1...Kb5
        • 2.Qa6#
      • 1...Kxd5
        • 2.Qxb3#
      • 1...g2+!
    • 1.Kh3?
      • 1...Kd3
        • 2.Qe2#
      • 1...Kb5
        • 2.Qa6#
      • 1...Kxd5
        • 2.Qxb3#
      • 1...g2+!
    • 1.Bf2?
      • 1...Kd3
        • 2.Qe2#
      • 1...Kb5
        • 2.Qa6#
      • 1...Kxd5
        • 2.Qxb3#
      • 1...gxf2!
    • 1.Be3?
      • 1...Kb5
        • 2.Qa6#
      • 1...Kxd5
        • 2.Qxb3#
      • 1...Kd3!
    • 1.Bb6?
      • 1...Kd3
        • 2.Qe2#
      • 1...Kxd5
        • 2.Qxb3#
      • 1...Kb5!
    • 1.Re4+?
      • 1...Kd3
        • 2.Rd4#
        • 2.Qe2#
      • 1...Kb5
        • 2.Qa4#
      • 1...Kxd5!
    • 1.Re5?
      • 1...Kd3
        • 2.Qe2#
      • 1...Kb5!
    • 1.Rc6+?
      • 1...Kd3
        • 2.Qc2#
      • 1...Kb5
        • 2.Rc5#
        • 2.Qa6#
      • 1...Kxd5!
    • 1.Rd6?
      • 1...Kb5
        • 2.Qa6#
      • 1...Kd3!
    • 1.Qe2+?
      • 1...Kxd5
        • 2.Qe4#
      • 1...Rd3!
    • 1.Qa6+?
      • 1...Kxd5
        • 2.Qc6#
      • 1...Rb5!
  • Keys
    • 1.Bg1!
      • 1...Kd3
        • 2.Qe2#
      • 1...Kb5
        • 2.Qa6#
      • 1...Kxd5
        • 2.Qxb3#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(c);N_SPINR(a),S_FLIGHT::QAB1(A)
    • K(c);S_FLIGHT,XS(C)::QAB(A),XR(a)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(c);N_SPINR(a),S_FLIGHT::QAB1(A)
        • K(c);S_FLIGHT,XS(C)::QAB(A),XR(a)
      • Refutation
        • P(b);CHECK
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(c);N_SPINR(a),S_FLIGHT::QAB1(A)
        • K(c);S_FLIGHT,XS(C)::QAB(A),XR(a)
      • Refutation
        • P(b);
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(c);N_SPINR(a),S_FLIGHT::QAB1(A)
        • K(c);S_FLIGHT,XS(C)::QAB(A),XR(a)
      • Refutation
        • P(b);CHECK
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(c);N_SPINR(a),S_FLIGHT::QAB1(A)
        • K(c);S_FLIGHT,XS(C)::QAB(A),XR(a)
      • Refutation
        • P(b);CHECK
    • Try
      • B(E);
      • Vars
        • K(c);N_SPINR(a),S_FLIGHT::QAB1(A)
        • K(c);S_FLIGHT,XS(C)::QAB(A),XR(a)
      • Refutation
        • P(b);XB(E)
    • Try
      • B(E);
      • Vars
        • K(c);N_SPINR(a),S_FLIGHT::QAB1(A)
        • K(c);S_FLIGHT,XS(C)::QAB(A),XR(a)
      • Refutation
        • K(c);N_SPINR(a),S_FLIGHT
    • Try
      • B(E);
      • Vars
        • K(c);N_SPINR(a),S_FLIGHT::QAB1(A)
        • K(c);S_FLIGHT,XS(C)::QAB(A),XR(a)
      • Refutation
        • K(c);N_SPINR(a),S_FLIGHT
    • Try
      • R(D);CHECK
      • Vars
        • K(c);N_SPINR(a),S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);S_FLIGHT,XS(C)
    • Try
      • R(D);
      • Vars
        • K(c);N_SPINR(a),S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);N_SPINR(a),S_FLIGHT
    • Try
      • R(D);CHECK
      • Vars
        • K(c);N_SPINR(a),S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);S_FLIGHT,XS(C)
    • Try
      • R(D);
      • Vars
        • K(c);N_SPINR(a),S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);N_SPINR(a),S_FLIGHT
    • Try
      • Q(A);CHECK,N_PINR(a)
      • Vars
        • K(c);S_FLIGHT,XS(C)::QAB1(A)
      • Refutation
        • R(a);P_SPINR(a)
    • Try
      • Q(A);CHECK,N_PINR(a)
      • Vars
        • K(c);S_FLIGHT,XS(C)::QAB1(A)
      • Refutation
        • R(a);P_SPINR(a)
  • Actual
    • B(E);
    • Vars
      • K(c);N_SPINR(a),S_FLIGHT::QAB1(A)
      • K(c);S_FLIGHT,XS(C)::QAB(A),XR(a)
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