MESON Chess Problem Database

Problem Display
PID: 70448 (6K1/3p1N2/3r2p1/5B2/q2kPb2/2R5/1B2R3/6n1 w - - 0 1)

Pichlmayer, Theo

Chess, 1951

6K1/3p1N2/3r2p1/5B2/q2kPb2/2R5/1B2R3/6n1

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Bd2
      • 2.Rxd2#
    • 1...Bh2
      • 2.Rd2#
    • 1...Bg3
      • 2.Rd2#
    • 1...Be5
      • 2.Rd2#
  • Keys
    • 1.Se5!
      • threat
        • 2.Rc1#
        • 2.Rcc2#
        • 2.Rc4#
        • 2.Rc6#
        • 2.Rc7#
        • 2.Rc8#
      • 1...Qb3+
        • 2.Rc4#
      • 1...Qa2+
        • 2.Rc4#
      • 1...Qc4+
        • 2.Rxc4#
      • 1...Qa8+
        • 2.Rc8#
      • 1...Kxe5
        • 2.Rc5#
      • 1...Bxe5
        • 2.Rd2#
      • 1...Sxe2
        • 2.Sf3#
      • 1...Qc2
        • 2.Rcxc2#
        • 2.Rc4#
      • 1...Qb5
        • 2.Rc4#
      • 1...Qc6
        • 2.Rc4#
        • 2.Rxc6#
      • 1...Qa1
        • 2.Rc4#
      • 1...Qa3
        • 2.Rc4#
      • 1...Qb4
        • 2.Rc4#
      • 1...Qa5
        • 2.Rc4#
      • 1...Rb6
        • 2.Rc4#
      • 1...Rc6
        • 2.Rc4#
        • 2.Rxc6#
      • 1...Bc1
        • 2.Rxc1#
        • 2.Rc4#
      • 1...Bd2
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 12
    • REMOVED MATES = 2
  • Sets
    • B(d);N_GUARD::R(B),XB(d)
    • B(d);N_GUARD::R(B)
  • Actual
    • S(F);
    • Threat
      • DUALS(6)
    • Vars
      • Q(b);CHECK::B(A)+R(C),DCHECK
      • Q(b);CHECK::B(A)+R(C),DCHECK,XQ(b)
      • Q(b);CHECK::B(A)+R(C)
      • K(c);S_FLIGHT,XS(F)::B(A)+R(C),DCHECK
      • B(d);N_GUARD,SBLOCK,XS(F)::R(B)
      • S(a);N_GUARD,XR(B)::S(F)
      • Q(b);::B(A)+R(C),DCHECK
      • R(e);::B(A)+R(C),DCHECK
      • B(d);::B(A)+R(C),DCHECK
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