MESON Chess Problem Database

Problem Display
PID: 84510 (1Q2R1K1/3pp3/4kp1N/N1p2p2/1nnpp3/bB6/8/5R2 w - - 0 1)

Szwedowski, Leopold Mieczyslaw

Match: Netherlands - Poland, 1991

1Q2R1K1/3pp3/4kp1N/N1p2p2/1nnpp3/bB6/8/5R2

#2

7 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Bxc4#
  • Tries
    • 1.Sxc4?
      • threat
        • 2.Qd6#
      • 1...d6
        • 2.Qxd6#
      • 1...Kd5!
    • 1.Sb7?
      • threat
        • 2.Qd6#
      • 1...d6
        • 2.Qxd6#
      • 1...Sd5
        • 2.Sd8#
      • 1...d5
        • 2.Sxc5#
      • 1...Kd5!
    • 1.Sf7?
      • threat
        • 2.Qd6#
      • 1...Kd5
        • 2.Bxc4#
      • 1...d6
        • 2.Qxd6#
      • 1...Sd5
        • 2.Sd8#
      • 1...d5
        • 2.Qc8#
      • 1...f4!
    • 1.Rxe7+?
      • 1...Kd5
        • 2.Bxc4#
        • 2.Rxf5#
      • 1...Kxe7!
  • Keys
    • 1.Sxf5!
      • threat
        • 2.Qd6#
      • 1...Kd5
        • 2.Bxc4#
      • 1...d6
        • 2.Qxd6#
      • 1...Sd5
        • 2.Sg7#
      • 1...d5
        • 2.Rxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(h);N_SPINP(k),S_FLIGHT::B(B),XS(c)
  • Tries
    • Try
      • S(C);XS(c)
      • Threat
        • QAR1(E)
      • Vars
        • P(j);::QAR1(E),XP(j)
      • Refutation
        • K(h);N_SPINP(k),S_FLIGHT
    • Try
      • S(C);
      • Threat
        • QAR1(E)
      • Vars
        • P(j);::QAR1(E),XP(j)
        • S(b);N_SPINS(c),SBLOCK::S(C)
        • P(j);N_SPINS(c),SBLOCK::S(C),XP(f)
      • Refutation
        • K(h);N_SPINP(k),S_FLIGHT
    • Try
      • S(D);
      • Threat
        • QAR1(E)
      • Vars
        • K(h);N_SPINP(k),S_FLIGHT::B(B),XS(c)
        • P(j);::QAR1(E),XP(j)
        • S(b);N_SPINS(c),SBLOCK::S(D)
        • P(j);N_SPINS(c),OGATEB,SBLOCK::QAB(E)
      • Refutation
        • P(g);
    • Try
      • R(F);CHECK,XP(k)
      • Refutation
        • K(h);N_SPINS(c),P-FLIGHT,XR(F)
  • Actual
    • S(D);XP(g)
    • Threat
      • QAR1(E)
    • Vars
      • K(h);N_SPINP(k),S_FLIGHT::B(B),XS(c)
      • P(j);::QAR1(E),XP(j)
      • S(b);N_SPINS(c),SBLOCK::S(D)
      • P(j);N_SPINS(c),SBLOCK::R1(F),XP(k)
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