MESON Chess Problem Database

Problem Display
PID: 58197 (5b2/Rb5B/2Q1P2N/3pp3/1p2pk1B/8/2p1R3/6NK w - - 0 1)

Reitman, Mark

Scacco!, 1997

5b2/Rb5B/2Q1P2N/3pp3/1p2pk1B/8/2p1R3/6NK

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Ba6
      • 2.Rf7#
    • 1...Bxc6
      • 2.Rf7#
    • 1...Ba8
      • 2.Rf7#
    • 1...Bc8
      • 2.Rf7#
    • 1...d4
      • 2.Rxe4#
  • Tries
    • 1.Bg5+?
      • 1...Kg3
        • 2.Rg2#
      • 1...Kxg5!
    • 1.Bxe4?
      • threat
        • 2.Sh3#
      • 1...dxe4
        • 2.Rxe4#
      • 1...c1Q
        • 2.Qxc1#
      • 1...c1R
        • 2.Qxc1#
      • 1...Bxh6!
    • 1.Qc3?
      • threat
        • 2.Sh3#
        • 2.Rf2#
        • 2.Qe3#
        • 2.Qg3#
      • 1...Bxh6
        • 2.Qg3#
      • 1...c1Q
        • 2.Rf2#
        • 2.Qg3#
      • 1...c1B
        • 2.Sh3#
        • 2.Rf2#
        • 2.Qg3#
      • 1...c1R
        • 2.Rf2#
        • 2.Qe3#
        • 2.Qg3#
      • 1...Bc5
        • 2.Sh3#
        • 2.Qg3#
      • 1...e3
        • 2.Qxe3#
      • 1...d4
        • 2.Sh3#
        • 2.Rf2#
        • 2.Qg3#
      • 1...bxc3!
  • Keys
    • 1.Qxd5!
      • threat
        • 2.Rxe4#
      • 1...Bxd5
        • 2.Rf7#
      • 1...e3
        • 2.Sh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • B(g);OGATE::R(H)
    • B(g);OGATE,XQ(E)::R(H)
    • P(e);N_GUARD::R1(C),XP(c)
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • K(d);S_FLIGHT::R1(C)
      • Refutation
        • K(d);S_FLIGHT,XB(D)
    • Try
      • B(I);XP(c)
      • Threat
        • S(A)
      • Vars
        • P(e);OGATE,XB(I)::R1(C),XP(e)
        • P(a);OGATE,P_PINS(A)::QAB(E),XQ(a)
        • P(a);OGATE,P_PINS(A)::QAB(E),XR(a)
      • Refutation
        • B(h);XS(G)
    • Try
      • Q(E);
      • Threat
        • DUALS(4)
      • Vars
        • B(h);XS(G)::QAB1(E)
        • P(c);::QAB1(E),XP(c)
      • Refutation
        • P(b);XQ(E)
  • Actual
    • Q(E);XP(e)
    • Threat
      • R1(C),XP(c)
    • Vars
      • B(g);OGATE,XQ(E)::R(H)
      • P(c);P_PINQ(E)::S(A)
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