MESON Chess Problem Database

Problem Display
PID: 169054 (5b2/rRr2P2/1Ppk1B2/1P4R1/p4KQ1/8/8/7B w - - 0 1)

Kapustin, Fedor Mikhailovich

Novitski, Petr Adrinovich

2nd Place, SuperProblem 029. TT, 2012

5b2/rRr2P2/1Ppk1B2/1P4R1/p4KQ1/8/8/7B

#2

9 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rd7
      • 2.Qxd7#
    • 1...Rc8
      • 2.Qd7#
    • 1...c5
      • 2.Rd5#
  • Tries
    • 1.Bxc6?
      • threat
        • 2.Rd5#
      • 1...Rxc6
        • 2.Qd7#
      • 1...Bh6!
    • 1.Re5?
      • threat
        • 2.Qd1#
        • 2.Qe6#
      • 1...Re7
        • 2.Qd1#
      • 1...Bh6+!
    • 1.Rxc7?
      • threat
        • 2.Rxc6#
        • 2.Qd7#
      • 1...cxb5
        • 2.Be5#
        • 2.Rd5#
        • 2.Rc6#
        • 2.Qd7#
      • 1...c5
        • 2.Be5#
        • 2.Rd5#
        • 2.Rc6#
        • 2.Qd7#
      • 1...Rxc7!
  • Keys
    • 1.Kf5!
      • threat
        • 2.Qd4#
      • 1...Kc5
        • 2.Ke6#
      • 1...Kd7
        • 2.Ke5#
      • 1...c5
        • 2.Qd1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • R(e);N_GUARD::QAR1(C),XR(e)
    • R(e);N_GUARD::QAR1(C)
    • P(b);N_GUARD::R1(E)
  • Tries
    • Try
      • B(A);XP(b)
      • Threat
        • R1(E)
      • Vars
        • R(e);N_GUARD,XB(A)::QAR1(C)
      • Refutation
        • B(f);P_PINR(E)
    • Try
      • R(E);
      • Threat
        • DUALS(2)
      • Vars
        • R(e);::QAR(C)
      • Refutation
        • B(f);CHECK
    • Try
      • R(H);XR(e)
      • Threat
        • DUALS(2)
      • Refutation
        • R(d);XR(H)
  • Actual
    • K(B);P-FLIGHT
    • Threat
      • QAR2(C)
    • Vars
      • K(c);S_FLIGHT::R(E)+K(B)
      • K(c);P-FLIGHT,P_SPINR(e)::QAB(C)+K(B)
      • P(b);SBLOCK::QAR(C)
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