MESON Chess Problem Database

Problem Display
PID: 109646 (8/3p1N2/3P1p1B/1BP2P2/N2k3p/P1p3pP/P5Q1/7K w - - 0 1)

Visintin, Roberto

Telescacco 92, 1995

8/3p1N2/3P1p1B/1BP2P2/N2k3p/P1p3pP/P5Q1/7K

#2

12 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sg5?
      • threat
        • 2.Qe4#
      • 1...Ke3
        • 2.Se6#
      • 1...Ke5
        • 2.Qe4#
      • 1...fxg5!
    • 1.Bc6?
      • threat
        • 2.Qe4#
        • 2.Qd5#
      • 1...Kd3
        • 2.Qe4#
      • 1...Kc4
        • 2.Qe4#
        • 2.Qd5#
      • 1...dxc6!
    • 1.Qf1?
      • threat
        • 2.Qd3#
        • 2.Qc4#
      • 1...Ke4
        • 2.Qd3#
      • 1...Kd5
        • 2.Qd3#
        • 2.Qc4#
      • 1...g2+!
    • 1.Qg1+?
      • 1...Kd5
        • 2.Sxc3#
      • 1...Ke4!
    • 1.Qc2?
      • threat
        • 2.Qd3#
      • 1...Kd5
        • 2.Qd3#
      • 1...g2+!
    • 1.Qd2+?
      • 1...Ke4
        • 2.Qd3#
      • 1...cxd2!
    • 1.Qe2?
      • threat
        • 2.Qd3#
        • 2.Qc4#
      • 1...Kd5
        • 2.Qd3#
        • 2.Qc4#
      • 1...g2+!
    • 1.Qf2+?
      • 1...Ke4
        • 2.Sxc3#
      • 1...Kd5
        • 2.Sxc3#
      • 1...gxf2!
    • 1.Qxg3?
      • threat
        • 2.Qd3#
      • 1...Ke4
        • 2.Qd3#
      • 1...Kd5
        • 2.Qd3#
      • 1...hxg3!
  • Keys
    • 1.Sxc3!
      • 1...Kxc3
        • 2.Qd2#
      • 1...Kxc5
        • 2.Be3#
        • 2.Qg1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(L);
      • Threat
        • QAR1(C)
      • Vars
        • K(c);S_FLIGHT::B(K)+S(L)
        • K(c);S_FLIGHT::QAR1(C)
      • Refutation
        • P(e);XS(L)
    • Try
      • B(G);
      • Threat
        • DUALS(2)
      • Vars
        • K(c);P-FLIGHT::QAB1(C)
      • Refutation
        • P(f);XB(G)
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • K(c);P-FLIGHT::QAB1(C)
      • Refutation
        • P(b);CHECK
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);P-FLIGHT::S(F),XP(a)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • K(c);P-FLIGHT::QAR2(C)
      • Refutation
        • P(b);CHECK
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);P-FLIGHT::QAB1(C)
      • Refutation
        • P(a);XQ(C)
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Refutation
        • P(b);CHECK
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);P-FLIGHT::S(F),XP(a)
      • Refutation
        • P(b);XQ(C)
    • Try
      • Q(C);XP(b)
      • Threat
        • QAR1(C)
      • Vars
        • K(c);P-FLIGHT::QAB1(C)
        • K(c);P-FLIGHT::QAR2(C)
      • Refutation
        • P(d);XQ(C)
  • Actual
    • S(F);XP(a)
    • Vars
      • K(c);S_FLIGHT,XS(F)::QAB1(C)
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