MESON Chess Problem Database

Problem Display
PID: 95739 (8/6p1/6Q1/2PNP1p1/1pPk2Pb/pP1P2p1/K5R1/8 w - - 0 1)

Caresmel, Andre

L'Italia Scacchistica, 1960

8/6p1/6Q1/2PNP1p1/1pPk2Pb/pP1P2p1/K5R1/8

#2

10 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc5
      • 2.Qb6#
    • 1...Kxe5
      • 2.Qe4#
  • Tries
    • 1.Ka1?
      • 1...Kxc5
        • 2.Qb6#
      • 1...Kxe5
        • 2.Qe4#
      • 1...a2!
    • 1.Kb1?
      • 1...Kxc5
        • 2.Qb6#
      • 1...Kxe5
        • 2.Qe4#
      • 1...a2+!
    • 1.Se3?
      • 1...Kxe3
        • 2.Qe4#
      • 1...Kxc5
        • 2.Qd6#
      • 1...Kxe5
        • 2.Qd6#
      • 1...Kc3!
    • 1.Sxb4?
      • 1...Ke3
        • 2.Qe4#
      • 1...Kxc5
        • 2.Qd6#
      • 1...Kxe5
        • 2.Qd6#
      • 1...Kc3!
    • 1.Sb6?
      • 1...Ke3
        • 2.Qe4#
      • 1...Kxc5
        • 2.Qd6#
      • 1...Kxe5
        • 2.Qd6#
      • 1...Kc3!
    • 1.Se7?
      • 1...Ke3
        • 2.Qe4#
      • 1...Kxc5
        • 2.Qd6#
      • 1...Kxe5
        • 2.Qd6#
      • 1...Kc3!
    • 1.Rg1?
      • 1...Kxc5
        • 2.Qb6#
      • 1...Kxe5
        • 2.Qe4#
      • 1...g2!
    • 1.Rc2?
      • 1...Kxc5
        • 2.Qb6#
      • 1...Kxe5
        • 2.Qe4#
      • 1...g2!
    • 1.Rd2?
      • 1...Kxc5
        • 2.Qb6#
        • 2.d4#
      • 1...Kxe5
        • 2.Qe4#
        • 2.d4#
      • 1...g2!
    • 1.Re2?
      • 1...Kxc5
        • 2.Qb6#
      • 1...g2!
    • 1.Rxg3?
      • 1...Kxc5
        • 2.Qb6#
      • 1...Kxe5
        • 2.Qe4#
      • 1...Bxg3!
    • 1.e6?
      • 1...Ke5
        • 2.Qe4#
      • 1...Kxc5!
  • Keys
    • 1.Sc7!
      • 1...Kc3
        • 2.Sb5#
      • 1...Ke3
        • 2.Qe4#
      • 1...Kxc5
        • 2.Qd6#
      • 1...Kxe5
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(d);OGATEB,S_FLIGHT,XP(G)::QAB1(J)
    • K(d);S_FLIGHT,XP(I)::QAR1(J)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(d);OGATEB,S_FLIGHT,XP(G)::QAB1(J)
        • K(d);S_FLIGHT,XP(I)::QAR1(J)
      • Refutation
        • P(a);
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(d);OGATEB,S_FLIGHT,XP(G)::QAB1(J)
        • K(d);S_FLIGHT,XP(I)::QAR1(J)
      • Refutation
        • P(a);CHECK
    • Try
      • S(H);
      • Vars
        • K(d);S_FLIGHT,XS(H)::QAR1(J)
        • K(d);S_FLIGHT,XP(G)::QAB1(J)
        • K(d);S_FLIGHT,XP(I)::QAB1(J)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • S(H);XP(c)
      • Vars
        • K(d);S_FLIGHT::QAR1(J)
        • K(d);S_FLIGHT,XP(G)::QAB1(J)
        • K(d);S_FLIGHT,XP(I)::QAB1(J)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • S(H);
      • Vars
        • K(d);S_FLIGHT::QAR1(J)
        • K(d);S_FLIGHT,XP(G)::QAB1(J)
        • K(d);S_FLIGHT,XP(I)::QAB1(J)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • S(H);
      • Vars
        • K(d);S_FLIGHT::QAR1(J)
        • K(d);S_FLIGHT,XP(G)::QAB1(J)
        • K(d);S_FLIGHT,XP(I)::QAB1(J)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • K(d);OGATEB,S_FLIGHT,XP(G)::QAB1(J)
        • K(d);S_FLIGHT,XP(I)::QAR1(J)
      • Refutation
        • P(b);
    • Try
      • R(B);
      • Vars
        • K(d);OGATEB,S_FLIGHT,XP(G)::QAB1(J)
        • K(d);S_FLIGHT,XP(I)::QAR1(J)
      • Refutation
        • P(b);
    • Try
      • R(B);
      • Refutation
        • P(b);
    • Try
      • R(B);
      • Vars
        • K(d);OGATEB,S_FLIGHT,XP(G)::QAB1(J)
      • Refutation
        • P(b);
    • Try
      • R(B);XP(b)
      • Vars
        • K(d);OGATEB,S_FLIGHT,XP(G)::QAB1(J)
        • K(d);S_FLIGHT,XP(I)::QAR1(J)
      • Refutation
        • B(e);XR(B)
    • Try
      • P(I);
      • Vars
        • K(d);S_FLIGHT::QAR1(J)
      • Refutation
        • K(d);S_FLIGHT,XP(G)
  • Actual
    • S(H);
    • Vars
      • K(d);S_FLIGHT::S(H)
      • K(d);S_FLIGHT::QAR1(J)
      • K(d);S_FLIGHT,XP(G)::QAB1(J)
      • K(d);S_FLIGHT,XP(I)::QAB1(J)
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