MESON Chess Problem Database

Problem Display
PID: 120737 (8/8/5K2/2pp4/3r1kPR/2Q1R3/4b3/8 w - - 0 1)

Smulders, Kurt

Sinfonie Scacchistiche, 1970

8/8/5K2/2pp4/3r1kPR/2Q1R3/4b3/8

#2

5 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rd1
      • 2.Qe5#
    • 1...Rd2
      • 2.Qe5#
    • 1...Rd3
      • 2.Qe5#
    • 1...Ra4
      • 2.Qe5#
    • 1...Rb4
      • 2.Qe5#
    • 1...Rc4
      • 2.Qe5#
    • 1...Bf1
      • 2.g5#
    • 1...Bc4
      • 2.g5#
    • 1...Bb5
      • 2.g5#
    • 1...Ba6
      • 2.g5#
    • 1...c4
      • 2.Qxd4#
  • Tries
    • 1.Rxe2?
      • threat
        • 2.Qe3#
        • 2.g5#
      • 1...Re4
        • 2.Rf2#
        • 2.g5#
      • 1...Rd3!
    • 1.Rf3+?
      • 1...Ke4
        • 2.Qe3#
        • 2.g5#
      • 1...Bxf3!
  • Keys
    • 1.Reh3!
      • threat
        • 2.Qe3#
      • 1...Ke4
        • 2.Qe3#
      • 1...Rd3
        • 2.Qe5#
      • 1...Re4
        • 2.Qg3#
      • 1...Bd3
        • 2.g5#
      • 1...Bf3
        • 2.Qxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 10
  • Sets
    • R(b);OGATE::QAB1(A)
    • B(a);N_GUARD::R(D)+P(C)
    • P(d);N_GUARD::QAR2(A),XR(b)
  • Tries
    • Try
      • R(B);XB(a)
      • Threat
        • DUALS(2)
      • Refutation
        • R(b);
    • Try
      • R(B);CHECK
      • Refutation
        • B(a);XR(B)
  • Actual
    • R(B);
    • Threat
      • QAB1(A)
    • Vars
      • K(c);P-FLIGHT::QAR1(A)
      • R(b);OGATE::QAB1(A)
      • R(b);SBLOCK::QAB1(A)
      • B(a);N_GUARD::R(D)+P(C)
      • B(a);N_GUARD::QAR1(A),XB(a)
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