MESON Chess Problem Database

Problem Display
PID: 212405 (1K3R2/8/4p1r1/2p1pB1b/1pPk1N1q/2pP3r/2PB1P1p/Q7 w - - 0 1)

Reinhofer, Erwin

Badische Neueste Nachrichten, 1982

1K3R2/8/4p1r1/2p1pB1b/1pPk1N1q/2pP3r/2PB1P1p/Q7

#2

10 + 11

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf2
      • 2.Rd8#
    • 1...Qg3
      • 2.Rd8#
    • 1...Qd8+
      • 2.Rxd8#
    • 1...Qxf4
      • 2.Rd8#
    • 1...Qg4
      • 2.Rd8#
    • 1...Re3
      • 2.Bxe3#
      • 2.fxe3#
    • 1...Rf3
      • 2.Se2#
    • 1...Rg1
      • 2.Sxe6#
    • 1...Rg2
      • 2.Sxe6#
    • 1...Rg3
      • 2.Sxe6#
    • 1...Rg4
      • 2.Se2#
      • 2.Sxe6#
    • 1...Rg5
      • 2.Sxe6#
      • 2.Rd8#
    • 1...Rf6
      • 2.Rd8#
    • 1...Rg7
      • 2.Sxe6#
    • 1...Rg8
      • 2.Sxe6#
    • 1...Be2
      • 2.Sxe2#
    • 1...Bf3
      • 2.Be3#
    • 1...b3
      • 2.Bxc3#
      • 2.Qxc3#
  • Keys
    • 1.Qh1!
      • threat
        • 2.Qe4#
      • 1...Qd8+
        • 2.Rxd8#
      • 1...Qxf4
        • 2.Rd8#
      • 1...cxd2
        • 2.Qa1#
      • 1...exf5
        • 2.Qd5#
      • 1...e4
        • 2.Qxe4#
      • 1...Re3
        • 2.Bxe3#
        • 2.fxe3#
      • 1...Rf3
        • 2.Se2#
      • 1...Rg2
        • 2.Sxe6#
      • 1...Bf3
        • 2.Be3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 9
  • Sets
    • Q(f);N_GUARD,XP(D)::R(J)
    • Q(f);N_GUARD::R(J)
    • Q(f);CHECK,N_GUARD::R(J),XQ(f)
    • Q(f);N_GUARD,XS(G)::R(J)
    • R(c);S_CUTB(i)::S(G)
    • R(k);N_GUARD::S(G),XP(j)
    • R(k);S_CUTQ(f)::R(J)
    • R(k);N_GUARD,P_PINR(J)::S(G),XP(j)
    • B(i);N_GUARD::S(G),XB(i)
    • B(i);S_CUTR(c)::B(C)
  • Actual
    • Q(A);N_PINP(b)
    • Threat
      • QAR1(A)
    • Vars
      • Q(f);CHECK,N_GUARD::R(J),XQ(f)
      • Q(f);N_GUARD,XS(G)::R(J)
      • P(b);OGATEB,XB(C)::QAB(A)
      • P(j);N_GUARD,XB(H)::QAR1(A)
      • P(h);::QAR1(A),XP(h)
      • R(c);S_CUTB(i)::S(G)
      • R(k);N_GUARD::S(G),XP(j)
      • B(i);S_CUTR(c)::B(C)
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