MESON Chess Problem Database

Problem Display
PID: 16632 (K3R3/1pNQ1p2/3b2q1/2p1n1p1/2Pnk3/6Pp/3PbRr1/B3N2B w - - 0 1)

Visserman, Eeltje

1st Prize, Ars Artium, 1942

K3R3/1pNQ1p2/3b2q1/2p1n1p1/2Pnk3/6Pp/3PbRr1/B3N2B

#2

11 + 12

3098 FIDE Album (1914-1944) (I) 1971

SOLUTION

  • SOUND
  • Sets
    • 1...Bf1
      • 2.Qg4#
    • 1...Bd3
      • 2.Qg4#
    • 1...Bxc4
      • 2.Qg4#
    • 1...Bg4
      • 2.Qxg4#
    • 1...Bxc7
      • 2.Qd5#
    • 1...Be7
      • 2.Qd5#
    • 1...Bf8
      • 2.Qd5#
    • 1...Sb3
      • 2.Rxe2#
    • 1...Sf3
      • 2.Qg4#
    • 1...Sb5
      • 2.Rxe2#
    • 1...Sc6
      • 2.Rxe2#
    • 1...g4
      • 2.Rf4#
  • Tries
    • 1.Bxg2+?
      • 1...Bf3
        • 2.Qg4#
      • 1...Sf3
        • 2.Rxe2#
        • 2.Qg4#
      • 1...hxg2!
    • 1.Rxe5+?
      • 1...Bxe5
        • 2.Qd5#
      • 1...Kxe5!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Sc3#
      • 1...Sxb5
        • 2.Rxe2#
        • 2.Qxb7#
      • 1...Sc2
        • 2.Qxb7#
      • 1...Sb3
        • 2.Rxe2#
        • 2.Qxb7#
      • 1...Sf3
        • 2.Qg4#
      • 1...Sf5
        • 2.Qxb7#
      • 1...Sc6
        • 2.Rxe2#
      • 1...Se6
        • 2.Sxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 10
  • Sets
    • B(a);N_GUARD::QAR2(I)
    • B(a);N_GUARD,XP(G)::QAR2(I)
    • B(a);N_GUARD::QAR2(I),XB(a)
    • B(i);OGATE,XS(H)::QAB1(I)
    • B(i);N_SPINS(g),OGATE::QAB1(I)
    • B(i);OGATE::QAB1(I)
    • S(d);N_GUARD::R(E),XB(a)
    • S(d);N_SPINR(b),S_CUTB(a)::QAR2(I)
    • P(h);N_GUARD::R1(E)
  • Tries
    • Try
      • B(C);CHECK,XR(b)
      • Vars
        • B(a);P_SPINB(a)::QAR2(I)
      • Refutation
        • P(c);XB(C)
    • Try
      • R(K);CHECK,XS(g)
      • Vars
        • B(i);OGATE,XR(K)::QAB1(I)
      • Refutation
        • K(e);N_SPINR(b),P-FLIGHT,P_SPINS(d),XR(K)
  • Actual
    • S(H);
    • Threat
      • S(H)
    • Vars
      • S(d);N_GUARD::QAB(I),XP(k)
      • S(d);N_SPINR(b),S_CUTB(a)::QAR2(I)
      • S(d);N_GUARD::R(E),XB(a)
      • S(d);N_SPINS(g),S_CUTQ(j)::S(H),XB(i)
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