MESON Chess Problem Database

Problem Display
PID: 193310 (K7/8/3B4/6p1/6P1/1P4RN/1PQ3Pk/2br1B1b w - - 0 1)

Tikkanen, Tapani

Suomen Shakki, 1984

K7/8/3B4/6p1/6P1/1P4RN/1PQ3Pk/2br1B1b

#2

10 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Re3#
    • 1...Rd2
      • 2.Rd3#
    • 1...Bd2
      • 2.Re3#
    • 1...Bxg2+
      • 2.Qxg2#
  • Keys
    • 1.Qd2!
      • threat
        • 2.Rc3#
        • 2.Rd3#
        • 2.Re3#
        • 2.Rf3#
      • 1...Bxg2+
        • 2.Qxg2#
      • 1...Rxf1
        • 2.Rf3#
      • 1...Rxd2
        • 2.Rd3#
      • 1...Bxb2
        • 2.Rc3#
      • 1...Bxd2
        • 2.Re3#
      • 1...Re1
        • 2.Re3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(b);N_GUARD::B(I)+R(F)
    • R(b);S_CUTB(a)::B(I)+R(F)
    • B(a);S_CUTR(b)::B(I)+R(F)
    • B(c);CHECK,OGATE,P_SPINB(c),XP(D)::QAR1(C),XB(c)
  • Actual
    • Q(C);
    • Threat
      • DUALS(4)
    • Vars
      • B(c);CHECK,OGATE,P_SPINB(c),XP(D)::QAR1(C),XB(c)
      • R(b);XB(A)::B(I)+R(F)
      • R(b);XQ(C)::B(I)+R(F)
      • B(a);XP(B)::B(I)+R(F)
      • B(a);XQ(C)::B(I)+R(F)
      • R(b);::B(I)+R(F)
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