MESON Chess Problem Database

Problem Display
PID: 277888 (8/5Kp1/7b/B4R2/N2Q2B1/1p6/2k1Nr2/1r3b2 w - - 0 1)

van Dijk, Nils Gustav Gerard

1st HM., To Mat, 1961

8/5Kp1/7b/B4R2/N2Q2B1/1p6/2k1Nr2/1r3b2

#2

7 + 7

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe2
      • 2.Rc5#
    • 1...Rg2
      • 2.Rc5#
    • 1...Rh2
      • 2.Rc5#
    • 1...Rf4
      • 2.Qd2#
    • 1...Rxf5+
      • 2.Bxf5#
    • 1...Bd2
      • 2.Qxd2#
    • 1...Bf4
      • 2.Rc5#
    • 1...g5
      • 2.Qd2#
  • Keys
    • 1.Sf4!
      • threat
        • 2.Qc3#
      • 1...Bc4+
        • 2.Qxc4#
      • 1...Kc1
        • 2.Qd1#
      • 1...Ra1
        • 2.Qb2#
      • 1...Rd1
        • 2.Qb2#
        • 2.Qxd1#
      • 1...Re1
        • 2.Qb2#
      • 1...Rb2
        • 2.Qxb2#
        • 2.Qd1#
      • 1...Rc1
        • 2.Qb2#
      • 1...Re2
        • 2.Rc5#
      • 1...Rf3
        • 2.Qd2#
      • 1...Be2
        • 2.Qd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 7
  • Sets
    • R(d);N_PINR(F),XS(A)::R(F)
    • R(d);N_PINR(F)::R(F)
    • R(d);S_CUTB(f)::QAR1(C)
    • R(d);CHECK,OGATE,XR(F)::B(D),XR(d)
    • B(f);N_GUARD::QAR1(C),XB(f)
    • B(f);N_PINR(F)::R(F)
    • P(g);S_CUTB(f)::QAR1(C)
  • Actual
    • S(A);N_SPINR(F)
    • Threat
      • QAR1(C)
    • Vars
      • B(b);CHECK,N_GUARD::QAR2(C),XB(b)
      • K(c);P-FLIGHT,S_CUTR(a)::QAR1(C)
      • R(a);N_GUARD::QAR1(C)
      • R(d);S_CUTB(b)::R(F)
      • R(d);N_GUARD::QAR1(C)
      • B(b);S_CUTR(d)::QAR1(C)
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