MESON Chess Problem Database

Problem Display
PID: 194956 (4K3/8/2Nk2p1/1R1Pp1p1/bP4P1/1p1Q4/1P6/8 w - - 0 1)

Kintzig, Robert

Deutsche Schachzeitung, 1918

4K3/8/2Nk2p1/1R1Pp1p1/bP4P1/1p1Q4/1P6/8

#2

8 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...e4
      • 2.Qg3#
  • Tries
    • 1.Kd8?
      • threat
        • 2.Qxg6#
      • 1...e4
        • 2.Qg3#
      • 1...Bxb5!
    • 1.Sd4?
      • 1...Bxb5+
        • 2.Sxb5#
      • 1...exd4
        • 2.Qg3#
      • 1...e4
        • 2.Qg3#
      • 1...Kc7!
    • 1.Se7?
      • 1...Kc7
        • 2.d6#
      • 1...e4
        • 2.Qg3#
      • 1...Bxb5+!
    • 1.Qe2?
      • threat
        • 2.Qxe5#
      • 1...e4
        • 2.Qh2#
      • 1...Kc7!
    • 1.Qf5?
      • threat
        • 2.Qd7#
        • 2.Qxe5#
      • 1...Kc7
        • 2.Qd7#
      • 1...e4
        • 2.Qd7#
        • 2.Qe5#
      • 1...gxf5!
    • 1.Qc3?
      • threat
        • 2.Qxe5#
      • 1...e4
        • 2.Qe5#
        • 2.Qg3#
      • 1...Kc7!
    • 1.Qe3?
      • threat
        • 2.Qxe5#
      • 1...e4
        • 2.Qg3#
      • 1...Kc7!
  • Keys
    • 1.Sa7!
      • 1...Bxb5+
        • 2.Sxb5#
      • 1...Kc7
        • 2.d6#
      • 1...e4
        • 2.Qg3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(c);OGATEB::QAB(B)
  • Tries
    • Try
      • K(H);P-FLIGHT
      • Threat
        • QAR(B),XP(f)
      • Vars
        • P(c);OGATEB::QAB(B)
      • Refutation
        • B(b);XR(E)
    • Try
      • S(G);P_SPINR(E)
      • Vars
        • B(b);CHECK,XR(E)::S(G),XB(b)
        • P(c);OGATEB,XS(G)::QAB(B)
        • P(c);OGATEB::QAB(B)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • S(G);P_SPINR(E)
      • Vars
        • K(e);OGATE,S_FLIGHT::P(F)
        • P(c);OGATEB::QAB(B)
      • Refutation
        • B(b);CHECK,XR(E)
    • Try
      • Q(B);
      • Threat
        • QAB1(B),XP(c)
      • Vars
        • P(c);OGATEB::QAB(B)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(e);S_FLIGHT::QAR1(B)
      • Refutation
        • P(f);XQ(B)
    • Try
      • Q(B);
      • Threat
        • QAB1(B),XP(c)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAB1(B),XP(c)
      • Vars
        • P(c);OGATEB::QAB(B)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • S(G);P_SPINR(E)
    • Vars
      • B(b);CHECK,XR(E)::S(G),XB(b)
      • K(e);OGATE,S_FLIGHT::P(F)
      • P(c);OGATEB::QAB(B)
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Developed and maintained by Brian Stephenson.
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