MESON Chess Problem Database

Problem Display
PID: 229069 (8/2r2p1B/4pK2/Bp6/p2NR3/1p1k1p2/1nNp1r2/b2b4 w - - 0 1)

Maltsev, AA

64 Shakhmatnoe obozrenie, 1926

8/2r2p1B/4pK2/Bp6/p2NR3/1p1k1p2/1nNp1r2/b2b4

#2

6 + 13

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Re1#
      • 2.Re2#
      • 2.Re3#
      • 2.Rf4#
      • 2.Rg4#
      • 2.Rh4#
      • 2.Re5#
      • 2.Rxe6#
    • 1...Sc4
      • 2.Re1#
      • 2.Re2#
      • 2.Re3#
      • 2.Rf4#
      • 2.Rg4#
      • 2.Rh4#
      • 2.Re5#
      • 2.Rxe6#
  • Tries
    • 1.Sb4+?
      • 1...Kc3
        • 2.Sxb5#
      • 1...Kc4!
  • Keys
    • 1.Se2!
      • threat
        • 2.Sb4#
      • 1...Sc4+
        • 2.Re5#
      • 1...fxe2+
        • 2.Rf4#
      • 1...Kxc2
        • 2.Rc4#
      • 1...Rxe2
        • 2.Rd4#
      • 1...Rxc2
        • 2.Sf4#
      • 1...Bxc2
        • 2.Sf4#
      • 1...Bxe2
        • 2.Rxa4#
        • 2.Rd4#
        • 2.Rf4#
        • 2.Rg4#
        • 2.Rh4#
      • 1...bxc2
        • 2.Sf4#
      • 1...Rc4
        • 2.Re3#
      • 1...b4
        • 2.Sxb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);CHECK
      • Vars
        • K(g);P-FLIGHT::S(B),XP(j)
      • Refutation
        • K(g);S_FLIGHT
  • Actual
    • S(B);
    • Threat
      • S(A)
    • Vars
      • S(c);CHECK,SBLOCK::B(F)+R(C)
      • P(h);CHECK,SBLOCK,XS(B)::B(F)+R(C)
      • K(g);S_FLIGHT,XS(A)::B(F)+R(C),DCHECK
      • R(e);SBLOCK,XS(B)::B(F)+R(C),DCHECK
      • R(l);SBLOCK,XS(A)::S(B)
      • B(b);SBLOCK,XS(A)::S(B)
      • P(f);SBLOCK,XS(A)::S(B)
      • R(l);SBLOCK::B(F)+R(C),DCHECK
      • P(j);::S(A),XP(j)
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