MESON Chess Problem Database

Problem Display
PID: 263060 (2k5/2pNB3/K4P2/2Q4B/2p5/8/8/2R5 w - - 0 1)

Kapustin, Fedor Mikhailovich

3rd Comm., SuperProblem, 2018

2k5/2pNB3/K4P2/2Q4B/2p5/8/8/2R5

#2

7 + 3

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...c6
      • 2.Qxc6#
  • Tries
    • 1.Ka7?
      • threat
        • 2.Sb6#
      • 1...c6
        • 2.Qxc6#
      • 1...Kxd7!
    • 1.Bg4?
      • 1...c6
        • 2.Qxc6#
      • 1...c3!
    • 1.Be8?
      • 1...c6
        • 2.Qxc6#
      • 1...c3!
    • 1.Rd1?
      • 1...c6
        • 2.Qxc6#
      • 1...c3!
    • 1.Rc3?
      • 1...c6
        • 2.Qxc6#
      • 1...Kxd7!
    • 1.Qxc4?
      • threat
        • 2.Qxc7#
      • 1...Kxd7
        • 2.Qg4#
      • 1...c6
        • 2.Qxc6#
      • 1...c5!
    • 1.Qb5?
      • 1...c5
        • 2.Qc6#
        • 2.Qb7#
      • 1...c6
        • 2.Qxc6#
        • 2.Qb7#
      • 1...c3!
    • 1.Qd5?
      • 1...c5
        • 2.Qc6#
        • 2.Qb7#
      • 1...c6
        • 2.Qxc6#
      • 1...c3!
    • 1.f7?
      • 1...Kxd7
        • 2.Bg4#
      • 1...c6
        • 2.Qxc6#
      • 1...c3!
  • Keys
    • 1.Rxc4!
      • threat
        • 2.Qxc7#
      • 1...Kxd7
        • 2.Qf5#
      • 1...c6
        • 2.Qxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATEB::QAR2(B),XP(b)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Threat
        • S(F)
      • Vars
        • P(b);OGATEB::QAR2(B),XP(b)
      • Refutation
        • K(c);N_SPINP(b),S_FLIGHT,XS(F)
    • Try
      • B(C);
      • Vars
        • P(b);OGATEB::QAR2(B),XP(b)
      • Refutation
        • P(a);
    • Try
      • B(C);
      • Vars
        • P(b);OGATEB::QAR2(B),XP(b)
      • Refutation
        • P(a);
    • Try
      • R(A);
      • Vars
        • P(b);OGATEB::QAR2(B),XP(b)
      • Refutation
        • P(a);
    • Try
      • R(A);
      • Vars
        • P(b);OGATEB::QAR2(B),XP(b)
      • Refutation
        • K(c);N_SPINP(b),S_FLIGHT,XS(F)
    • Try
      • Q(B);XP(a)
      • Threat
        • QAR1(B),XP(b)
      • Vars
        • K(c);N_SPINP(b),OGATEB,S_FLIGHT,XS(F)::QAB(B)
        • P(b);OGATEB::QAR2(B),XP(b)
      • Refutation
        • P(b);
    • Try
      • Q(B);N_PINP(b)
      • Refutation
        • P(a);
    • Try
      • Q(B);N_PINP(b)
      • Vars
        • P(b);OGATEB::QAR2(B),XP(b)
      • Refutation
        • P(a);
    • Try
      • P(E);
      • Vars
        • K(c);N_SPINP(b),OGATEB,S_FLIGHT,XS(F)::B(C)
        • P(b);OGATEB::QAR2(B),XP(b)
      • Refutation
        • P(a);
  • Actual
    • R(A);XP(a)
    • Threat
      • QAR1(B),XP(b)
    • Vars
      • K(c);N_SPINP(b),OGATEB,S_FLIGHT,XS(F)::QAB(B)
      • P(b);OGATEB::QAR2(B),XP(b)
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