MESON Chess Problem Database

Problem Display
PID: 24622 (8/8/8/8/1R6/2pQ4/3np1K1/4k3 w - - 0 1)

Gulyaev, Aleksandr Pavlovich (aka Grin, AP)

Shakhmatnaya kompozitsiya, 1992

8/8/8/8/1R6/2pQ4/3np1K1/4k3

#2

3 + 4

2838 Fun with Chess Miniatures 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Kd1
      • 2.Rb1#
    • 1...Sb1
      • 2.Rxb1#
    • 1...Sf1
      • 2.Rb1#
    • 1...Sf3
      • 2.Rb1#
    • 1...Sc4
      • 2.Rb1#
    • 1...Se4
      • 2.Rb1#
  • Keys
    • 1.Rd4!
      • 1...Kd1
        • 2.Qb1#
      • 1...c2
        • 2.Qxd2#
      • 1...Sb1
        • 2.Qxb1#
        • 2.Qg3#
      • 1...Sf1
        • 2.Qb1#
      • 1...Sb3
        • 2.Qg3#
      • 1...Sf3
        • 2.Qb1#
      • 1...Sc4
        • 2.Qb1#
        • 2.Qg3#
      • 1...Se4
        • 2.Qb1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 4
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • K(a);P-FLIGHT,P_SPINS(b)::R(C)
    • S(b);N_GUARD::R(C),XS(b)
    • S(b);N_GUARD::R(C)
  • Actual
    • R(C);
    • Vars
      • K(a);P-FLIGHT,P_SPINS(b)::QAR2(B)
      • P(d);N_GUARD::QAB1(B),XS(b)
      • S(b);N_GUARD::QAR(B)
      • S(b);::QAB(B)
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