MESON Chess Problem Database

Problem Display
PID: 235467 (8/1P6/1Rp1p3/6p1/2PkP1p1/3N2K1/1PBB4/3Q4 w - - 0 1)

Shanshin, Valery Yurevich

6th Prize, Schach, 2000

8/1P6/1Rp1p3/6p1/2PkP1p1/3N2K1/1PBB4/3Q4

#2

10 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc4
      • 2.Rb4#
    • 1...Kxe4
      • 2.Qxg4#
  • Tries
    • 1.Bc3+?
      • 1...Ke3
        • 2.Qe1#
      • 1...Kxc4
        • 2.Bb3#
        • 2.Rb4#
      • 1...Kxe4!
    • 1.Rb4?
      • threat
        • 2.c5#
      • 1...Kxe4
        • 2.Qxg4#
      • 1...c5!
    • 1.Rxc6?
      • 1...Kxe4
        • 2.Qxg4#
      • 1...e5!
    • 1.Qxg4?
      • threat
        • 2.e5#
      • 1...Kxc4
        • 2.Rb4#
      • 1...e5!
    • 1.Qg1+?
      • 1...Kxc4
        • 2.Se5#
        • 2.Rb4#
        • 2.Qc5#
        • 2.b3#
      • 1...Kxe4!
    • 1.c5?
      • threat
        • 2.Rb4#
      • 1...Kc4
        • 2.Rb4#
      • 1...Kxe4!
    • 1.e5?
      • threat
        • 2.Qxg4#
      • 1...Ke4
        • 2.Qxg4#
      • 1...Kxc4!
  • Keys
    • 1.Se5!
      • 1...Kc5
        • 2.Be3#
      • 1...Kxe5
        • 2.Bc3#
      • 1...c5
        • 2.Bf4#

There are these versions: 235466

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • K(a);OGATEB,P-FLIGHT,XP(G)::R1(I)
    • K(a);OGATEB,P-FLIGHT,XP(H)::QAR2(A),XP(b)
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT,XP(H)
    • Try
      • R(I);
      • Threat
        • R(I)+P(G)
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(H)::QAR2(A),XP(b)
      • Refutation
        • P(d);
    • Try
      • R(I);XP(d)
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(H)::QAR2(A),XP(b)
      • Refutation
        • P(e);
    • Try
      • Q(A);XP(b)
      • Threat
        • QAR(A)+P(H)
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(G)::R1(I)
      • Refutation
        • P(e);
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);P-FLIGHT,XP(H)
    • Try
      • P(G);
      • Threat
        • R(I)
      • Vars
        • K(a);P-FLIGHT::R1(I)
      • Refutation
        • K(a);P-FLIGHT,XP(H)
    • Try
      • P(H);
      • Threat
        • QAR(A),XP(b)
      • Vars
        • K(a);P-FLIGHT::QAR2(A),XP(b)
      • Refutation
        • K(a);P-FLIGHT,XP(G)
  • Actual
    • S(E);
    • Vars
      • K(a);S_FLIGHT::B(D)
      • K(a);S_FLIGHT,XS(E)::B(D)
      • P(d);SBLOCK::QAR(A)+B(D)
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