MESON Chess Problem Database

Problem Display
PID: 98232 (4R3/1n2K2n/2N2P2/p1p3pb/4k1p1/2r1N1P1/2P1R1P1/bB6 w - - 0 1)

Lipton, Michael

Problemas, 1967

4R3/1n2K2n/2N2P2/p1p3pb/4k1p1/2r1N1P1/2P1R1P1/bB6

#2

10 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc2
      • 2.Bxc2#
    • 1...Ra3
      • 2.c3#
    • 1...Rb3
      • 2.cxb3#
    • 1...Rd3
      • 2.cxd3#
    • 1...Rxe3
      • 2.c4#
    • 1...Rc4
      • 2.c3#
    • 1...Bf7
      • 2.Kxf7#
  • Keys
    • 1.f7!
      • threat
        • 2.Kd7#
      • 1...Rxc2
        • 2.Bxc2#
      • 1...Rxe3
        • 2.c4#
      • 1...Bxf7
        • 2.Kxf7#
      • 1...Ra3
        • 2.c3#
      • 1...Rb3
        • 2.cxb3#
      • 1...Rd3
        • 2.cxd3#
      • 1...Rc4
        • 2.c3#
      • 1...Sd6
        • 2.Kxd6#
      • 1...Sd8
        • 2.Kxd8#
      • 1...Sf6
        • 2.Kxf6#
      • 1...Sf8
        • 2.Kxf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(b);OGATE,P_SPINR(b),XP(B)::B(A),XR(b)
    • R(b);OGATE::B(A)+P(B)
    • R(b);OGATE::B(A)+P(B),XR(b)
    • R(b);OGATE::P(B),XR(b)
    • R(b);OGATE,P_SPINR(b),XS(E)::B(A)+P(B)
    • B(h);::R(J)+K(I),XB(h)
  • Actual
    • P(H);
    • Threat
      • R(J)+K(I)
    • Vars
      • R(b);OGATE,P_SPINR(b),XP(B)::B(A),XR(b)
      • R(b);OGATE,P_SPINR(b),XS(E)::B(A)+P(B)
      • B(h);XP(H)::R(J)+K(I),XB(h)
      • R(b);OGATE::B(A)+P(B)
      • R(b);OGATE::B(A)+P(B),XR(b)
      • R(b);OGATE::P(B),XR(b)
      • S(i);::R(J)+K(I),XS(i)
      • S(j);::R(J)+K(I),XS(j)
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