MESON Chess Problem Database

Problem Display
PID: 17343 (BB6/8/1K1P1Qq1/1Npr2pN/Rn1nk1P1/1r1R1p2/2PP1b2/8 w - - 0 1)

Hassberg, Eric Manfred

Tump, Raymond

6th Prize, Christian Science Monitor, 1946

BB6/8/1K1P1Qq1/1Npr2pN/Rn1nk1P1/1r1R1p2/2PP1b2/8

#2

12 + 10

14773 The Best American Chess Problems of 1946 1948

SOLUTION

  • SOUND
  • Sets
    • 1...Rb1
      • 2.Sc3#
    • 1...Rb2
      • 2.Sc3#
    • 1...Rc3
      • 2.Sxc3#
    • 1...Bg1
      • 2.Sg3#
    • 1...Be3
      • 2.Sg3#
    • 1...Bg3
      • 2.Sxg3#
    • 1...Se2
      • 2.Bxd5#
    • 1...Sxb5
      • 2.Bxd5#
    • 1...Sf5
      • 2.Bxd5#
    • 1...Se6
      • 2.Bxd5#
  • Tries
    • 1.Re3+?
      • 1...Bxe3
        • 2.Sg3#
      • 1...Rxe3!
    • 1.Rxd4+?
      • 1...Bxd4
        • 2.Sg3#
      • 1...cxd4!
    • 1.Qxg6+?
      • 1...Sf5
        • 2.Qxf5#
        • 2.Qe6#
      • 1...Ke5!
  • Keys
    • 1.d7!
      • threat
        • 2.Sd6#
      • 1...Qxf6+
        • 2.Sxf6#
      • 1...Sbxc2
        • 2.Qxg6#
      • 1...Sxd3
        • 2.Qxg6#
      • 1...Sdxc2
        • 2.Qxg6#
      • 1...Sxb5
        • 2.Bxd5#
        • 2.Qxg6#
      • 1...Bg3
        • 2.Sxg3#
      • 1...Sa2
        • 2.Qxg6#
      • 1...Sa6
        • 2.Qxg6#
      • 1...Sbc6
        • 2.Qxf3#
      • 1...Sf5
        • 2.Bxd5#
      • 1...Sdc6
        • 2.Qxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 8
  • Sets
    • R(b);N_GUARD::S(F)
    • R(b);N_GUARD::S(F),XR(b)
    • B(a);N_GUARD::S(G)
    • B(a);N_GUARD::S(G),XB(a)
    • S(e);P_SPINS(d)::B(K),XR(h)
    • S(e);P_SPINS(d),XS(F)::B(K),XR(h)
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • B(a);XR(C)::S(G)
      • Refutation
        • R(b);XR(C)
    • Try
      • R(C);CHECK,XS(e)
      • Vars
        • B(a);XR(C)::S(G)
      • Refutation
        • P(g);XR(C)
    • Try
      • Q(J);CHECK,XQ(j)
      • Refutation
        • K(f);N_SPINR(h),P-FLIGHT
  • Actual
    • P(I);P_SPINQ(J)
    • Threat
      • S(F)
    • Vars
      • Q(j);CHECK,XQ(J)::S(G),XQ(j)
      • S(d);P_PINS(F),P_SPINS(e),XP(A)::QAB(J),XQ(j)
      • S(d);P_PINS(F),P_SPINS(e),XR(C)::QAB(J),XQ(j)
      • S(e);N_GUARD,P_SPINS(d),XP(A)::QAB(J),XQ(j)
      • B(a);N_GUARD::S(G),XB(a)
      • S(d);P_PINS(F),P_SPINS(e)::QAB(J),XQ(j)
      • S(d);N_PINQ(J),N_SPINR(h),P_PINS(F),P_SPINS(e)::QAB1(J),XP(c)
      • S(e);P_SPINS(d)::B(K),XR(h)
      • S(e);N_PINQ(J),N_SPINR(h),P_SPINS(d)::QAB1(J),XP(c)
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