MESON Chess Problem Database

Problem Display
PID: 47365 (8/8/1K6/8/8/Q5N1/7R/2Rn2k1 w - - 0 1)

Labai, Zoltan

5/6 HM., Lokker MT, 1998

8/8/1K6/8/8/Q5N1/7R/2Rn2k1

#2

5 + 2

4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Tries
    • 1.Sh1?
      • 1...Kf1
        • 2.Rxd1#
      • 1...Kxh2!
    • 1.Se2+?
      • 1...Kf1
        • 2.Rxd1#
      • 1...Kxh2!
    • 1.Se4?
      • 1...Kf1
        • 2.Rxd1#
      • 1...Kxh2!
    • 1.Sf5?
      • 1...Kf1
        • 2.Rxd1#
      • 1...Kxh2!
    • 1.Sh5?
      • 1...Kf1
        • 2.Rxd1#
      • 1...Kxh2!
    • 1.Rcc2?
      • threat
        • 2.Rcg2#
        • 2.Rh1#
        • 2.Rhg2#
      • 1...Se3
        • 2.Rh1#
        • 2.Qxe3#
      • 1...Sf2!
    • 1.Rh1+?
      • 1...Kf2
        • 2.Rc2#
      • 1...Kg2!
  • Keys
    • 1.Sf1!
      • 1...Kxf1
        • 2.Rxd1#
      • 1...Sb2
        • 2.Qc5#
        • 2.Qe3#
        • 2.Qg3#
      • 1...Sf2
        • 2.Qg3#
      • 1...Sc3
        • 2.Qc5#
      • 1...Se3
        • 2.Qxe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Vars
        • K(b);P-FLIGHT::R(A),XS(a)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT,XR(B)
    • Try
      • S(D);CHECK
      • Vars
        • K(b);P-FLIGHT::R(A),XS(a)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT,XR(B)
    • Try
      • S(D);
      • Vars
        • K(b);P-FLIGHT::R(A),XS(a)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT,XR(B)
    • Try
      • S(D);
      • Vars
        • K(b);P-FLIGHT::R(A),XS(a)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT,XR(B)
    • Try
      • S(D);
      • Vars
        • K(b);P-FLIGHT::R(A),XS(a)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT,XR(B)
    • Try
      • R(A);N_PINS(a)
      • Threat
        • DUALS(3)
      • Refutation
        • S(a);
    • Try
      • R(B);CHECK
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::R(A)
      • Refutation
        • K(b);N_SPINS(a),P-FLIGHT
  • Actual
    • S(D);N_PINS(a)
    • Vars
      • K(b);OGATEB,P-FLIGHT,P_SPINS(a),XS(D)::R(A),XS(a)
      • S(a);::QAR2(C)
      • S(a);N_GUARD::QAB(C)
      • S(a);N_GUARD::QAB(C),XS(a)
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