MESON Chess Problem Database

Problem Display
PID: 189655 (Q6B/2rp4/1p1P3K/1b6/PN1R4/3p4/1q1N3p/k7 w - - 0 1)

Szovjak, Geza

Magyar Sakkvilag, 1911

Q6B/2rp4/1p1P3K/1b6/PN1R4/3p4/1q1N3p/k7

#2

8 + 8

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Qh1+?
      • 1...Qc1
        • 2.Rc4#
      • 1...Qb1
        • 2.Rc4#
        • 2.Qxb1#
      • 1...Rc1!
    • 1.axb5+?
      • 1...Qa3
        • 2.Rc4#
        • 2.Qxa3#
      • 1...Qa2
        • 2.Rc4#
        • 2.Qxa2#
      • 1...Ra7!
  • Keys
    • 1.Rc4!
      • threat
        • 2.Qh1#
      • 1...Qf6+
        • 2.Bxf6#
      • 1...Qg7+
        • 2.Bxg7#
      • 1...Qxh8+
        • 2.Qxh8#
      • 1...h1Q+
        • 2.Qxh1#
      • 1...h1R+
        • 2.Qxh1#
      • 1...Rxc4
        • 2.axb5#
      • 1...Bxa4
        • 2.Qxa4#
      • 1...Qc3
        • 2.Bxc3#
      • 1...Qd4
        • 2.Bxd4#
      • 1...Qe5
        • 2.Bxe5#
      • 1...h1S
        • 2.Qxh1#
      • 1...h1B
        • 2.Qxh1#
      • 1...Rc6
        • 2.axb5#
      • 1...Rb7
        • 2.Rc1#
      • 1...Bc6
        • 2.Rc1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 15
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • Q(b);P_PINS(A),P_SPINQ(b)::B(H)+R(D)
      • Refutation
        • R(g);P_SPINR(g)
    • Try
      • P(B);CHECK,XB(e)
      • Refutation
        • R(g);P_SPINR(g)
  • Actual
    • R(D);P_PINQ(b)
    • Threat
      • QAB1(G)
    • Vars
      • Q(b);CHECK,OGATEB::B(H),XQ(b)
      • Q(b);CHECK,N_SPINQ(b),OGATE,XB(H)::QAB(G),XQ(b)
      • P(c);CHECK::QAB1(G),XQ(c)
      • P(c);CHECK::QAB1(G),XR(c)
      • R(g);N_GUARD,XR(D)::QAR(G)+P(B),XB(e)
      • B(e);OGATE,P_SPINB(e),XP(B)::QAR(G),XB(e)
      • Q(b);OGATEB::B(H),XQ(b)
      • P(c);::QAB1(G),XS(c)
      • P(c);::QAB1(G),XB(c)
      • R(g);N_GUARD,P_PINP(E)::QAR(G)+P(B),XB(e)
      • R(g);N_GUARD::R(D)
      • B(e);S_CUTR(g)::R(D)
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