MESON Chess Problem Database

Problem Display
PID: 163066 (7b/2p1RN2/2P3Q1/Bp1k4/3n4/1PR1p1pq/1K1p1rN1/1b1Br3 w - - 0 1)

Kunze, Otto

Welt im Bild, 1937

(First published on Sun Jun 13 1937)

7b/2p1RN2/2P3Q1/Bp1k4/3n4/1PR1p1pq/1K1p1rN1/1b1Br3

#2

10 + 12

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Qxg2
      • 2.Rd7#
    • 1...Qd7
      • 2.Rxd7#
    • 1...Qh1
      • 2.Rd7#
    • 1...Qh2
      • 2.Rd7#
    • 1...Qh4
      • 2.Rd7#
    • 1...Qh5
      • 2.Rd7#
    • 1...Qh6
      • 2.Rd7#
    • 1...Qh7
      • 2.Rd7#
    • 1...Rxd1
      • 2.Sxe3#
    • 1...Ref1
      • 2.Sxe3#
    • 1...Rg1
      • 2.Sxe3#
    • 1...Rh1
      • 2.Sxe3#
    • 1...Re2
      • 2.Sf4#
    • 1...Rf4
      • 2.Sxf4#
    • 1...Rf6
      • 2.Re5#
    • 1...Ba2
      • 2.Qe4#
    • 1...Be4
      • 2.Qxe4#
    • 1...Be5
      • 2.Rxe5#
    • 1...Sc2
      • 2.Qe4#
    • 1...Se6
      • 2.Rd7#
    • 1...e2
      • 2.Se3#
  • Keys
    • 1.Bb6!
      • threat
        • 2.Rc5#
      • 1...Sxb3
        • 2.Bxb3#
      • 1...Sxc6
        • 2.Qxc6#
      • 1...cxb6
        • 2.Qd6#
      • 1...Sc2
        • 2.Qe4#
      • 1...Se2
        • 2.Sxe3#
      • 1...Sf3
        • 2.Sf4#
      • 1...Sf5
        • 2.Qe6#
      • 1...Se6
        • 2.Rd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 19
  • Sets
    • Q(g);N_GUARD,XS(C)::R(I)
    • Q(g);N_GUARD::R(I),XQ(g)
    • Q(g);N_GUARD::R(I)
    • R(b);N_GUARD,XB(A)::S(C),XP(e)
    • R(b);N_GUARD::S(C),XP(e)
    • R(d);N_GUARD::S(C)
    • R(d);N_GUARD::S(C),XR(d)
    • R(d);S_CUTB(l)::R1(I)
    • B(a);N_GUARD::QAB1(H)
    • B(a);N_GUARD::QAB1(H),XB(a)
    • B(l);N_GUARD::R1(I),XB(l)
    • S(h);P_PINR(E),S_CUTB(a)::QAB1(H)
    • S(h);P_PINR(E),S_CUTQ(g)::R(I)
    • P(e);S_CUTR(b)::S(C)
  • Actual
    • B(F);
    • Threat
      • R1(E)
    • Vars
      • S(h);OGATE,P_PINR(E),XP(D)::B(A),XS(h)
      • S(h);OGATE,P_PINR(E),XP(G)::QAB1(H),XS(h)
      • P(k);N_GUARD,XB(F)::QAR1(H)
      • S(h);P_PINR(E),S_CUTB(a)::QAB1(H)
      • S(h);P_PINR(E),S_CUTR(b)::S(C),XP(e)
      • S(h);P_PINR(E),S_CUTR(d)::S(C)
      • S(h);N_GUARD,P_PINR(E),S_CUTQ(g)::QAB1(H)
      • S(h);P_PINR(E),S_CUTQ(g)::R(I)
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