MESON Chess Problem Database

Problem Display
PID: 16344 (2Q5/K4p2/8/1PB5/B3Pr2/2k5/3RR1pq/6b1 w - - 0 1)

Kipping, Cyril Stanley

Chess, 1940

2Q5/K4p2/8/1PB5/B3Pr2/2k5/3RR1pq/6b1

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rf2
      • 2.Bd6#
    • 1...Bxc5+
      • 2.Qxc5#
  • Tries
    • 1.Bb6+?
      • 1...Bc5
        • 2.Qxc5#
      • 1...Kb4!
    • 1.Rd5?
      • threat
        • 2.Rc2#
      • 1...Bxc5+
        • 2.Qxc5#
      • 1...Kc4
        • 2.Rc2#
      • 1...Rf2
        • 2.Bd6#
      • 1...Bd4!
    • 1.Rd6?
      • threat
        • 2.Rc2#
      • 1...Bxc5+
        • 2.Qxc5#
      • 1...Kc4
        • 2.Rc2#
      • 1...Rf2
        • 2.Ba3#
      • 1...Bd4!
    • 1.Qd7?
      • threat
        • 2.Rc2#
        • 2.Qd3#
      • 1...Kc4
        • 2.Rc2#
      • 1...Qg3
        • 2.Rc2#
      • 1...Qh3
        • 2.Rc2#
      • 1...Rf3
        • 2.Rc2#
      • 1...Bd4
        • 2.Qxd4#
      • 1...Bxc5+!
    • 1.Qd8?
      • threat
        • 2.Rc2#
        • 2.Qd3#
      • 1...Kc4
        • 2.Rc2#
      • 1...Qg3
        • 2.Rc2#
      • 1...Qh3
        • 2.Rc2#
      • 1...Rf3
        • 2.Rc2#
      • 1...Bd4
        • 2.Qxd4#
      • 1...Bxc5+!
  • Keys
    • 1.Rd1!
      • threat
        • 2.Rc2#
      • 1...Bxc5+
        • 2.Qxc5#
      • 1...Kc4
        • 2.Rc2#
      • 1...Rf2
        • 2.Bd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(e);N_PINB(F)::QAR(H)+B(F)
    • B(a);CHECK,OGATE,P_SPINB(a),XB(F)::QAR2(H),XB(a)
  • Tries
    • Try
      • B(F);CHECK
      • Vars
        • B(a);N_GUARD,P_SPINB(a)::QAR2(H),XB(a)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(A);
      • Threat
        • R1(B)
      • Vars
        • B(a);CHECK,OGATE,P_SPINB(a),XB(F)::QAR2(H),XB(a)
        • K(d);P-FLIGHT::R(B)
        • R(e);N_PINB(F)::QAR(H)+B(F)
      • Refutation
        • B(a);
    • Try
      • R(A);
      • Threat
        • R1(B)
      • Vars
        • B(a);CHECK,OGATE,P_SPINB(a),XB(F)::QAR2(H),XB(a)
        • K(d);P-FLIGHT::R(B)
        • R(e);N_PINB(F)::QAR(H)+B(F)
      • Refutation
        • B(a);
    • Try
      • Q(H);
      • Threat
        • DUALS(2)
      • Vars
        • K(d);P-FLIGHT::R(A)
        • Q(c);::R1(A)
        • R(e);::R1(A)
        • B(a);N_GUARD::QAB1(H),XB(a)
      • Refutation
        • B(a);CHECK,XB(F)
    • Try
      • Q(H);
      • Threat
        • DUALS(2)
      • Vars
        • K(d);P-FLIGHT::R(A)
        • Q(c);::R1(A)
        • R(e);::R1(A)
        • B(a);N_GUARD::QAB1(H),XB(a)
      • Refutation
        • B(a);CHECK,XB(F)
  • Actual
    • R(A);
    • Threat
      • R1(B)
    • Vars
      • B(a);CHECK,OGATE,P_SPINB(a),XB(F)::QAR2(H),XB(a)
      • K(d);P-FLIGHT::R(B)
      • R(e);N_PINB(F)::QAR(H)+B(F)
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