MESON Chess Problem Database

Problem Display
PID: 247244 (3N4/3B4/2Pp3B/1RPqR3/K1pkr3/4pPP1/4P3/N1Q5 w - - 0 1)

Wright Wood, S (= Wood, SW)

The Problemist, 1954

3N4/3B4/2Pp3B/1RPqR3/K1pkr3/4pPP1/4P3/N1Q5

#2

13 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe5
      • 2.Bg7#
    • 1...Qxc6
      • 2.Sxc6#
    • 1...Rf4
      • 2.Qxe3#
    • 1...Rg4
      • 2.Qxe3#
    • 1...Rh4
      • 2.Qxe3#
  • Tries
    • 1.Sc2+?
      • 1...Kxe5
        • 2.Bg7#
      • 1...Kc3!
    • 1.Sb3+?
      • 1...Kxe5
        • 2.Bg7#
      • 1...cxb3!
    • 1.Bxe3+?
      • 1...Rxe3
        • 2.Qxe3#
      • 1...Kxe5!
    • 1.Qd2+?
      • 1...Kxe5
        • 2.Bg7#
      • 1...exd2!
    • 1.Qxe3+?
      • 1...Kxe5
        • 2.Bg7#
      • 1...Rxe3!
    • 1.Qd1+?
      • 1...Kxe5
        • 2.Bg7#
      • 1...Kc3!
  • Keys
    • 1.Rb4!
      • 1...Qxc6+
        • 2.Sxc6#
      • 1...Kxc5
        • 2.Sb3#
        • 2.Se6#
      • 1...Kxe5
        • 2.Bg7#
      • 1...Qxc5
        • 2.Qb2#
      • 1...Qxe5
        • 2.Qxc4#
      • 1...Rxe5
        • 2.Sb3#
      • 1...dxc5
        • 2.Qb2#
      • 1...dxe5
        • 2.Sb3#
      • 1...Qe6
        • 2.Qb2#
      • 1...Qf7
        • 2.Qb2#
      • 1...Qg8
        • 2.Qb2#
      • 1...Rf4
        • 2.Qxe3#
      • 1...Rg4
        • 2.Qxe3#
      • 1...Rh4
        • 2.Qxe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • K(c);OGATEB,S_FLIGHT,XR(I)::B(K)
    • Q(e);P_PINR(G),XP(J)::S(M),XQ(e)
    • R(d);N_GUARD::QAB1(B),XP(a)
  • Tries
    • Try
      • S(A);CHECK
      • Vars
        • K(c);S_FLIGHT,XR(I)::B(K)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • S(A);CHECK
      • Vars
        • K(c);S_FLIGHT,XR(I)::B(K)
      • Refutation
        • P(b);XS(A)
    • Try
      • B(K);CHECK,XP(a)
      • Vars
        • R(d);OGATE,XB(K)::QAB1(B),XR(d)
      • Refutation
        • K(c);S_FLIGHT,XR(I)
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);S_FLIGHT,XR(I)::B(K)
      • Refutation
        • P(a);XQ(B)
    • Try
      • Q(B);CHECK,XP(a)
      • Vars
        • K(c);P_SPINR(d),S_FLIGHT,XR(I)::B(K)
      • Refutation
        • R(d);XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);S_FLIGHT,XR(I)::B(K)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • R(G);P_PINP(b)
    • Vars
      • Q(e);CHECK,XP(J)::S(M),XQ(e)
      • K(c);N_SPINP(b),OGATEB,S_FLIGHT,XR(I)::B(K)
      • Q(e);XP(H)::QAB(B)
      • Q(e);N_GUARD,SBLOCK,XR(I)::QAR1(B),XP(b)
      • R(d);SBLOCK,XR(I)::S(A)
      • P(f);SBLOCK,XP(H)::QAB(B)
      • P(f);SBLOCK,XR(I)::S(A)
      • Q(e);::QAB(B)
      • R(d);N_GUARD::QAB1(B),XP(a)
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