MESON Chess Problem Database

Problem Display
PID: 198626 (4N3/6B1/2n1r3/2p2R2/K1krpp2/7B/2PQ4/2R2N2 w - - 0 1)

Uris, Miguel

Problemas, 2019

4N3/6B1/2n1r3/2p2R2/K1krpp2/7B/2PQ4/2R2N2

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd2
      • 2.Sxd2#
    • 1...Rd3
      • 2.cxd3#
    • 1...Rd5
      • 2.Qc3#
      • 2.Qxd5#
    • 1...Rdd6
      • 2.Qc3#
    • 1...Rd7
      • 2.Qc3#
    • 1...Rd8
      • 2.Qc3#
    • 1...f3
      • 2.Se3#
  • Tries
    • 1.Sd6+?
      • 1...Rdxd6
        • 2.Qc3#
      • 1...Rexd6!
    • 1.Qe2+?
      • 1...Rd3
        • 2.Sd2#
        • 2.cxd3#
      • 1...Kc3+!
  • Keys
    • 1.Rxf4!
      • threat
        • 2.Se3#
      • 1...Kd5+
        • 2.c4#
      • 1...Rd3
        • 2.Qxd3#
      • 1...e3
        • 2.Bxe6#

This is a version of 198625

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • R(b);XQ(D)::S(B),XR(b)
    • R(b);OGATE::R(A)+P(C)DCHECK,XR(b)
    • R(b);::QAR1(D)
    • P(d);N_GUARD::S(B)
  • Tries
    • Try
      • S(I);CHECK
      • Vars
        • R(b);XS(I)::QAR1(D)
      • Refutation
        • R(g);XS(I)
    • Try
      • Q(D);CHECK
      • Refutation
        • K(a);CHECK,P-FLIGHT,P_SPINR(b)
  • Actual
    • R(G);XP(d)
    • Threat
      • S(B)
    • Vars
      • K(a);CHECK,OGATE,P_SPINR(b),S_FLIGHT::P(C)
      • R(b);N_GUARD,P_SPINP(c)::QAB1(D),XR(b)
      • P(c);P_SPINR(b)::B(E),XR(g)
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