MESON Chess Problem Database

Problem Display
PID: 140882 (3QR3/4Np2/2PP1R2/PP1B2p1/3k2P1/1Pp3P1/2p2N2/2K3B1 w - - 0 1)

Tatransky, Ivan

1/2 Prize, Praca, 1958

3QR3/4Np2/2PP1R2/PP1B2p1/3k2P1/1Pp3P1/2p2N2/2K3B1

#2

15 + 5

6490 yacpdb 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Sf5#
  • Tries
    • 1.Sd1+?
      • 1...Ke5
        • 2.Rf5#
      • 1...Kd3!
    • 1.Sh1+?
      • 1...Ke5
        • 2.Rf5#
      • 1...Kd3!
    • 1.Sh3+?
      • 1...Ke5
        • 2.Rf5#
      • 1...Kd3!
    • 1.Se4+?
      • 1...Ke5
        • 2.Rf5#
      • 1...Kd3!
    • 1.Bh1?
      • 1...Ke3
        • 2.Sf5#
      • 1...Ke5
        • 2.Sf5#
      • 1...Kc5!
    • 1.Bg2?
      • 1...Ke3
        • 2.Sf5#
      • 1...Ke5
        • 2.Sf5#
      • 1...Kc5!
    • 1.Bf3?
      • 1...Ke3
        • 2.Qb6#
      • 1...Ke5
        • 2.Sf5#
      • 1...Kc5!
    • 1.Rf3?
      • threat
        • 2.Sd3#
      • 1...Ke5
        • 2.Sd3#
      • 1...Kc5!
    • 1.Rxf7?
      • 1...Ke3
        • 2.Sf5#
      • 1...Ke5
        • 2.Sd3#
      • 1...Kc5!
    • 1.Qb8?
      • 1...Ke3
        • 2.Sf5#
      • 1...Kc5
        • 2.Sd3#
      • 1...Ke5!
    • 1.b4?
      • 1...Ke3
        • 2.Sf5#
      • 1...Ke5!
  • Keys
    • 1.Bc4!
      • 1...Ke3
        • 2.Qb6#
      • 1...Kc5
        • 2.Sd3#
      • 1...Ke5
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::R(O)+S(M),DCHECK
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(c);S_FLIGHT::R1(L)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • K(c);S_FLIGHT::R1(L)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • K(c);S_FLIGHT::R1(L)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • K(c);S_FLIGHT::R1(L)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • B(I);
      • Vars
        • K(c);S_FLIGHT::R(O)+S(M),DCHECK
        • K(c);S_FLIGHT::R(O)+S(M)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(I);
      • Vars
        • K(c);S_FLIGHT::R(O)+S(M),DCHECK
        • K(c);S_FLIGHT::R(O)+S(M)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(I);
      • Vars
        • K(c);S_FLIGHT::QAB(N)
        • K(c);S_FLIGHT::R(O)+S(M)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(L);
      • Threat
        • B(B)+S(C)
      • Vars
        • K(c);S_FLIGHT::S(C)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(L);XP(e)
      • Vars
        • K(c);S_FLIGHT::R(O)+S(M),DCHECK
        • K(c);S_FLIGHT::S(C)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(N);
      • Vars
        • K(c);S_FLIGHT::R(O)+S(M),DCHECK
        • K(c);S_FLIGHT::B(B)+S(C),DCHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • P(D);
      • Vars
        • K(c);S_FLIGHT::R(O)+S(M),DCHECK
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • B(I);
    • Vars
      • K(c);S_FLIGHT::QAB(N)
      • K(c);S_FLIGHT::B(B)+S(C),DCHECK
      • K(c);S_FLIGHT::R(O)+S(M)
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